instruction:
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").
question:
Fact1: having food has a positive impact on an organism 's health, Fact2: Birds and animals eat such food ., Question: What generally has a positive impact on an organism's health? (A) stay warm (B) sex with multiple partners (C) smoking (D) exercise (E) nutrients (F) eating (G) Cooking (H) fasting
answer:
F


question:
Fact1: Phylogeny is the evolutionary history of a group of related organisms., Fact2: Much of evolutionary biology involves the history of organic diversity., Question: Phylogeny is the history and organic diversity of what? (A) unicellular organisms (B) unrelated organisms (C) evolved areas (D) unrelated events (E) one-celled animals (F) trees and flowers (G) related organisms (H) ecosystems
answer:
G


question:
Fact1: Lung cancer is most often caused by exposure to tobacco smoke., Fact2: Tobacco is most commonly smoked in cigarettes., Question: What is lung cancer most often caused by exposure to? (A) Chemical energy (B) carbon dioxide (C) asbestos (D) sunlight (E) water (F) fossil fuels (G) cigarettes (H) hydrocarbons
answer:

G