[2025-09-30T12:22:30.495849] [QUERYOME] Starting research for query 694: '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:
Which of these is not true about randomization in a clinical trial? 

Options:
{'A': 'Reduces confounding', 'B': 'Decreases selection bias', 'C': 'Ensures comparability of two groups', 'D': 'Increases external validity of the trial'}'
[2025-09-30T12:22:30.576579] [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:
Which of these is not true about randomization in a clinical trial? 

Options:
{'A': 'Reduces confounding', 'B': 'Decreases selection bias', 'C': 'Ensures comparability of two groups', 'D': 'Increases external validity of the trial'}'
[2025-09-30T12:22:30.578946] Saving text to bench_final/run1/medmcqa/medmcqa_693/pi_initial_prompt.txt
[2025-09-30T12:22:30.596633] [PI] Calling o3 for initial analysis...
[2025-09-30T12:22:34.977999] [PI] Reasoning iteration 1
[2025-09-30T12:22:34.980745] [PI] Executing function call 1: hybrid_search
[2025-09-30T12:22:34.982538] [PI] Function arguments: {'query': 'randomization enhances internal validity but not external validity generalizability clinical trials', 'k': 10, 'faiss_weight': 0.6, 'bm25_weight': 0.4, 'use_rrf': True}
[2025-09-30T12:22:34.983713] Saving JSON to bench_final/run1/medmcqa/medmcqa_693/pi_iteration_1_tool_call_2_hybrid_search.json
[2025-09-30T12:23:41.628561] [PI] Function hybrid_search executed successfully
[2025-09-30T12:23:41.635678] Saving JSON to bench_final/run1/medmcqa/medmcqa_693/pi_iteration_1_tool_result_2_hybrid_search.json
[2025-09-30T12:23:41.645702] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T12:23:48.732727] [PI] Reasoning iteration 2
[2025-09-30T12:23:48.735372] [PI] No function calls found in response
[2025-09-30T12:23:48.737080] [PI] No more function calls - research complete
[2025-09-30T12:23:48.738825] Saving text to bench_final/run1/medmcqa/medmcqa_693/pi_final_answer.txt
[2025-09-30T12:23:48.745201] [QUERYOME] Query completed successfully
