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: heating salt water causes the water to evaporate while the salt remains, Fact2: Salt is produced by the evaporation of sea water., Question: how is salt produced? (A) flow of electrons (B) solid, liquid, gas (C) chemical messengers (D) Solutions (E) Physical weathering (F) It gets heated up (G) near the shoreline (H) heating water
[A]: H


[Q]: Fact1: a compass is used to navigate oceans, Fact2: And to the east is the Atlantic Ocean., Question: what is a compass used to navigate? (A) density (B) lamphreys (C) marine (D) outer space (E) their speed (F) Antarctica (G) non-magnetic planets (H) the Atlantic
[A]: H


[Q]: Fact1: magnetism can cause objects to repel each other, Fact2: If two things have the same charge, they repel, or push away from each other., Question: Magnetism can cause objects to do what to each other? (A) alter composition (B) kill them (C) Movement (D) friction (E) lower the temperature (F) change color (G) push away (H) electrically
[A]:
G