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: unequal heating of Earth 's surface by the Sun causes global wind patterns, Fact2: Unequal absorption of radiation causes unequal heating of the earth's surface., Question: heating causes the wind patterns on earth to be what? (A) evenly distributed (B) waves (C) equal (D) constant (E) threatened (F) supersonic (G) unequal (H) Tropical
[EX A]: G

[EX Q]: Fact1: Insects may live in large colonies and have complex social behaviors., Fact2: Ants are social insects living in colonies., Question: which of the following are known to have complex social behaviors? (A) dogs (B) Wasps (C) tigers (D) Birds (E) toads (F) Tasmanian devils (G) koalas (H) Ants
[EX A]: H

[EX Q]: Fact1: adding salt to a liquid decreases the melting point of that liquid, Fact2: Salinity A word describing the salt content of a liquid., Question: What will decrease the melting point of a liquid? (A) Heat energy (B) Dehydration (C) layers of fat (D) Physical weathering (E) chlorofluorocarbons (F) chemical changes (G) chemical reaction (H) Higher salinity
[EX A]:
H