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: Mammals have a layer of fat under the skin to help insulate the body., Fact2: Harbor seals, like sea lions, have evolved to utilize a layer of fat called blubber., Question: How do sea lions keep warm? (A) protected (B) warm (C) Swimming fast (D) Sleeping (E) hydration (F) Blubber (G) four limbs (H) Eating a lot of fish
answer:
F


question:
Fact1: natural disasters can cause animals to leave an environment, Fact2: Animal migration is mystery of nature., Question: Natural disasters can cause  (A) deforestation (B) kill them (C) Pollution (D) disease (E) deadly (F) erosion (G) migration (H) flooding
answer:
G


question:
Fact1: evaporation can be used for separating a solute from a solvent in a solution, Fact2: Evaporation occurs when a liquid dries., Question: What can be used to separate a solute from a solvent? (A) liquid drying (B) activation energy (C) a hydraulic system (D) chemical equations (E) Condensation (F) circulatory systems (G) heat energy (H) water vapor
answer:

A