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: 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: being distracted while driving can cause people to crash their car, Fact2: Cell phones are a distraction to driving., Question: Using cell phones while driving can cause what? (A) symptoms (B) Pollution (C) flooding (D) heat (E) crashes (F) disease (G) safety (H) cancer
answer:
E


question:
Fact1: Temperature falls from lower to higher altitudes., Fact2: Temperatures are cooler in the higher altitudes of the mountains., Question: Temperature falls from lower to higher where? (A) space (B) burning coal (C) underground (D) mountains (E) frontal zones (F) the ground (G) deserts (H) burrows
answer:

D