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: a flashlight requires a source of electricity to produce light, Fact2: Flashlights can help children see better., Question: Children see better with a source of electricity to do what? (A) focusing a lens (B) staying warm (C) survival (D) reproduce (E) produce light (F) remove electricity (G) produce darkness (H) remove light
answer:
E

question:
Fact1: friction causes an object to lose energy, Fact2: Objects An object can be one of several things., Question: What does friction cause things to lose? (A) heat (B) moisture (C) toughness (D) Energy. (E) traits (F) light (G) energy (H) cartilage
answer:
G

question:
Fact1: Ethologists usually study how animals behave in their natural environment., Fact2: Germs are a natural part of the environment., Question: Ethologists usually study how animals behave around what? (A) Birds (B) germs (C) islands (D) humans (E) Summer (F) food (G) seasons (H) wetland
answer:
B