[2025-09-25T13:32:19.053285] [QUERYOME] Starting research for query 491: 'Instructions: 
 Answer the question below. Please respond with the option letter (A, B, or C) first. (HINT: Each PubMedQA instance is composed of (1) a question which is either an existing research article title or derived from one, (2) a context which is the corresponding abstract without its conclusion, (3) a long answer, which is the conclusion of the abstract and, presumably, answers the research question, and (4) a yes/no/maybe answer which summarizes the conclusion.) 

Question:
Are endothelial cell patterns of astrocytomas indicative of grade? 

Options:
{'A': 'yes', 'B': 'no', 'C': 'maybe'}'
[2025-09-25T13:32:19.131584] [PI] Starting research for query: 'Instructions: 
 Answer the question below. Please respond with the option letter (A, B, or C) first. (HINT: Each PubMedQA instance is composed of (1) a question which is either an existing research article title or derived from one, (2) a context which is the corresponding abstract without its conclusion, (3) a long answer, which is the conclusion of the abstract and, presumably, answers the research question, and (4) a yes/no/maybe answer which summarizes the conclusion.) 

Question:
Are endothelial cell patterns of astrocytomas indicative of grade? 

Options:
{'A': 'yes', 'B': 'no', 'C': 'maybe'}'
[2025-09-25T13:32:19.133114] Saving text to bench_final/run1/pubmedqa/pubmedqa_490/pi_initial_prompt.txt
[2025-09-25T13:32:19.137693] [PI] Calling o3 for initial analysis...
[2025-09-25T13:32:27.437204] [PI] Reasoning iteration 1
[2025-09-25T13:32:27.438855] [PI reasoning] **Answering grade indicators**

I need to determine if the endothelial cell patterns of astrocytomas correlate with their grade. My guess is maybe, because these patterns relate to angiogenesis, which tends to be more prevalent in higher-grade tumors. It seems likely that these vascular proliferations do correlate with grade, suggesting the answer is yes. I should say "A" as my response, and I might need to include some supporting citations, even if briefly. A quick search could help solidify this!
[2025-09-25T13:32:27.442007] [PI] Executing function call 1: hybrid_search
[2025-09-25T13:32:27.443647] [PI] Function arguments: {'query': 'endothelial cell patterns astrocytomas indicative of grade', 'k': 5, 'faiss_weight': 0.7, 'bm25_weight': 0.3, 'use_rrf': True}
[2025-09-25T13:32:27.446559] Saving JSON to bench_final/run1/pubmedqa/pubmedqa_490/pi_iteration_1_tool_call_2_hybrid_search.json
[2025-09-25T13:32:28.017360] [PI] Function hybrid_search executed successfully
[2025-09-25T13:32:28.018984] Saving JSON to bench_final/run1/pubmedqa/pubmedqa_490/pi_iteration_1_tool_result_2_hybrid_search.json
[2025-09-25T13:32:28.024502] [PI] Continuing reasoning with 1 function responses...
[2025-09-25T13:32:35.881599] [PI] Reasoning iteration 2
[2025-09-25T13:32:35.883068] [PI] No function calls found in response
[2025-09-25T13:32:35.884822] [PI] No more function calls - research complete
[2025-09-25T13:32:35.887435] Saving text to bench_final/run1/pubmedqa/pubmedqa_490/pi_final_answer.txt
[2025-09-25T13:32:35.917140] [QUERYOME] Query completed successfully
