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: chemical splashing can cause harm to humans, Fact2: Man is human, subject to error., Question: What can chemical splashing can cause harm to? (A) Water (B) pugs (C) cats (D) Acid (E) life (F) Chemical solution (G) Man (H) pigs
answer:
G

question:
Fact1: lungs are used for breathing air by land animals, Fact2: Elephants are the largest animals on land., Question: What uses lungs for breathing air? (A) rocks (B) some mammals (C) Frogs (D) monotremes (E) humans (F) bacteria (G) elephants (H) oak trees
answer:
G

question:
Fact1: cutting down trees has a negative impact on an ecosystem, Fact2: Plants include trees., Question: Doing what to plants has a negative impact on the ecosystem? (A) planting them (B) deforestation (C) cutting them down (D) Pesticides (E) watering them (F) massive damage (G) sitting under them (H) Abnormal cell growth
answer:
C