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").

[Q]: Fact1: some animals' fur grows thicker for staying warm in the winter, Fact2: During winter, their hollow fur absorbs much heat as they sun themselves., Question: hollow fur keeps animals what (A) fats (B) camouflaged (C) safe (D) warm (E) cooled (F) liquid (G) live (H) from drowning
[A]: D


[Q]: Fact1: high pressure systems cause clear weather, Fact2: High pressure systems tend to bring calm weather., Question: What do high pressure systems make? (A) heat energy (B) energy (C) electricity (D) calm days (E) fossil fuels (F) Solutions (G) Pollution (H) Metling snow
[A]: D


[Q]: Fact1: wind causes erosion, Fact2: Erosion causes destruction of aquatic habitats due to siltation and flooding., Question: Which normal weather event can threaten aquatic habitats?  (A) wind (B) oil (C) cold (D) Winter (E) hail (F) snow (G) fire (H) sleet
[A]:
A