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").

[EX Q]: Fact1: natural disasters can cause animals to leave an environment, Fact2: And like fire, flooding is a common and widespread natural disaster., Question: What can cause animals to leave their environment? (A) predators (B) rainfall (C) space travel (D) flooding (E) drought (F) mines (G) wind (H) weather
[EX A]: D

[EX Q]: 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
[EX A]: E

[EX Q]: Fact1: sunlight and rain can cause a rainbow, Fact2: All deserts have very little rain., Question: Where do rainbows rarely appear? (A) the Great Barrier Reef (B) Nurseries of the ocean. (C) over the mountains (D) over the valleys (E) summer end (F) over the plains (G) swamp vegetation (H) over the deserts
[EX A]:
H