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").
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Question: 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

Answer: G


Question: Fact1: Echinoderms lack a centralized nervous system., Fact2: Sand dollars and sea biscuits are also echinoderms., Question: What lacks a centralized nervous system? (A) Damaged hearing (B) Humans (C) Horses (D) Sand dollars (E) insects (F) Chickens (G) Pesticides (H) barnacles

Answer: D


Question: Fact1: evaporation can be used for separating a solute from a solvent in a solution, Fact2: Table salt is a typical evaporated salt product., Question: What can separate from a solvent in a solution, creating table salt? (A) energy (B) gasoline (C) a solute (D) vaporization (E) a solvent (F) water (G) heat energy (H) water vapor

Answer:
C