Detailed Instructions: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Problem:Fact1: Antigens are found on cancer cells and the cells of transplanted organs., Fact2: ALL proteins are antigens., Question: What can be found on cancer cells? (A) acetic acid (B) Allergies (C) bacteria (D) parasites (E) fever (F) PDAs (G) proteins (H) bioaerosols
Solution:
G