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: sugar causes food to taste sweet, Fact2: Favorite foods are cakes, noodles, rice, eggs and fruits., Question: What tastes sweet due to sugar? (A) diet soda (B) corn (C) ice (D) water (E) apple (F) coffee (G) cake (H) sugar
answer:
G


question:
Fact1: Evolution occurs in response to a change in the environment., Fact2: Extinction is a natural part or the process of evolution., Question: What happens to an environment to cause extinction?  (A) relocation (B) changes (C) rain (D) exposure (E) forces (F) wind (G) Pollution (H) discovery
answer:
B


question:
Fact1: gases released during the use of fossil fuels causes global warming, Fact2: Global warming is linked to the combustion of oil, gas and coal., Question: The use of oil, gas and coal contributes to what? (A) heat is produced (B) animal extinction (C) heat production (D) radiation (E) Global climate change (F) Quality of life (G) rain (H) electricity
answer:

E