[2025-09-30T18:54:06.896729] [QUERYOME] Starting research for query 844: 'Instructions: 
 Answer the question below. First, respond with the single best option letter (A, B, C, or D). Then provide a concise reasoning (1–3 sentences). Use both the retrieved evidence and your own medical knowledge to choose the most accurate answer. 

Question:
Shape of trapezium muscle is 

Options:
{'A': 'Triangular', 'B': 'Quadrilateral', 'C': 'Trapezium', 'D': 'Quadrangular'}'
[2025-09-30T18:54:07.017803] [PI] Starting research for query: 'Instructions: 
 Answer the question below. First, respond with the single best option letter (A, B, C, or D). Then provide a concise reasoning (1–3 sentences). Use both the retrieved evidence and your own medical knowledge to choose the most accurate answer. 

Question:
Shape of trapezium muscle is 

Options:
{'A': 'Triangular', 'B': 'Quadrilateral', 'C': 'Trapezium', 'D': 'Quadrangular'}'
[2025-09-30T18:54:07.019408] Saving text to bench_final/run1/medmcqa/medmcqa_843/pi_initial_prompt.txt
[2025-09-30T18:54:07.024869] [PI] Calling o3 for initial analysis...
[2025-09-30T18:54:13.120110] [PI] Reasoning iteration 1
[2025-09-30T18:54:13.122763] [PI reasoning] **Understanding trapezius shape**

The user's question about the shape of the trapezius muscle seems a bit off, as they likely meant trapezium. Anatomically, the trapezius is a flat, triangular muscle. Each side forms a trapezoidal shape collectively but individually, they remain triangular. This question often appears in exams, with the correct answer typically being “triangular.” I could quickly check to confirm this information.
[2025-09-30T18:54:13.124394] [PI] Executing function call 1: hybrid_search
[2025-09-30T18:54:13.126720] [PI] Function arguments: {'query': 'trapezius muscle triangular shape', 'k': 5, 'faiss_weight': 0.7, 'bm25_weight': 0.3, 'use_rrf': True}
[2025-09-30T18:54:13.128415] Saving JSON to bench_final/run1/medmcqa/medmcqa_843/pi_iteration_1_tool_call_2_hybrid_search.json
[2025-09-30T18:54:50.153886] [PI] Function hybrid_search executed successfully
[2025-09-30T18:54:50.157759] Saving JSON to bench_final/run1/medmcqa/medmcqa_843/pi_iteration_1_tool_result_2_hybrid_search.json
[2025-09-30T18:54:50.175514] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T18:54:53.244729] [PI] Reasoning iteration 2
[2025-09-30T18:54:53.247254] [PI] Executing function call 1: hybrid_search
[2025-09-30T18:54:53.249078] [PI] Function arguments: {'query': 'trapezius large flat triangular muscle', 'k': 5, 'faiss_weight': 0.6, 'bm25_weight': 0.4, 'use_rrf': True}
[2025-09-30T18:54:53.251856] Saving JSON to bench_final/run1/medmcqa/medmcqa_843/pi_iteration_2_tool_call_2_hybrid_search.json
[2025-09-30T18:55:51.193375] [PI] Function hybrid_search executed successfully
[2025-09-30T18:55:51.200705] Saving JSON to bench_final/run1/medmcqa/medmcqa_843/pi_iteration_2_tool_result_2_hybrid_search.json
[2025-09-30T18:55:51.219065] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T18:55:54.511731] [PI] Reasoning iteration 3
[2025-09-30T18:55:54.513476] [PI] Executing function call 1: hybrid_search
[2025-09-30T18:55:54.515108] [PI] Function arguments: {'query': '"flat triangular muscle" trapezius', 'k': 10, 'faiss_weight': 0.4, 'bm25_weight': 0.6, 'use_rrf': True}
[2025-09-30T18:55:54.517402] Saving JSON to bench_final/run1/medmcqa/medmcqa_843/pi_iteration_3_tool_call_2_hybrid_search.json
[2025-09-30T18:56:47.720563] [PI] Function hybrid_search executed successfully
[2025-09-30T18:56:47.728551] Saving JSON to bench_final/run1/medmcqa/medmcqa_843/pi_iteration_3_tool_result_2_hybrid_search.json
[2025-09-30T18:56:47.735007] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T18:56:52.825608] [PI] Reasoning iteration 4
[2025-09-30T18:56:52.828224] [PI] Executing function call 1: hybrid_search
[2025-09-30T18:56:52.830301] [PI] Function arguments: {'query': 'trapezius is a large flat triangular muscle that covers the back of the neck', 'k': 10, 'faiss_weight': 0.4, 'bm25_weight': 0.6, 'use_rrf': True}
[2025-09-30T18:56:52.833083] Saving JSON to bench_final/run1/medmcqa/medmcqa_843/pi_iteration_4_tool_call_2_hybrid_search.json
[2025-09-30T18:58:05.198273] [PI] Function hybrid_search executed successfully
[2025-09-30T18:58:05.209175] Saving JSON to bench_final/run1/medmcqa/medmcqa_843/pi_iteration_4_tool_result_2_hybrid_search.json
[2025-09-30T18:58:05.227603] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T18:58:11.965616] [PI] Reasoning iteration 5
[2025-09-30T18:58:11.967847] [PI] Executing function call 1: hybrid_search
[2025-09-30T18:58:11.969753] [PI] Function arguments: {'query': '"triangular" trapezius muscle anatomy', 'k': 10, 'faiss_weight': 0.4, 'bm25_weight': 0.6, 'use_rrf': True}
[2025-09-30T18:58:11.972573] Saving JSON to bench_final/run1/medmcqa/medmcqa_843/pi_iteration_5_tool_call_2_hybrid_search.json
[2025-09-30T18:59:13.491578] [PI] Function hybrid_search executed successfully
[2025-09-30T18:59:13.493661] Saving JSON to bench_final/run1/medmcqa/medmcqa_843/pi_iteration_5_tool_result_2_hybrid_search.json
[2025-09-30T18:59:13.513013] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T18:59:24.027559] [PI] Reasoning iteration 6
[2025-09-30T18:59:24.029383] [PI] No function calls found in response
[2025-09-30T18:59:24.032133] [PI] No more function calls - research complete
[2025-09-30T18:59:24.034716] Saving text to bench_final/run1/medmcqa/medmcqa_843/pi_final_answer.txt
[2025-09-30T18:59:24.042333] [QUERYOME] Query completed successfully
