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: Migration is a type of movement that changes population size., Fact2: Predatory animals migrate with the game animals., Question: When game animals move elsewhere, what else does? (A) relocation (B) prey animals (C) predatory animals (D) migratory birds (E) An object is seen (F) migrants (G) refract or absorb. (H) barks and snarls
[A]: C


[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: Most plants grow roots down into the soil to absorb water and minerals., Fact2: Plant roots begin to stabilize the soil against erosion., Question: What is a positive effect of plant needs for water and minerals from soil? (A) erosion prevention (B) reducing acid rain (C) It helps them survive (D) agriculture (E) nutrient deficiency (F) water run-off (G) erosion (H) Exfoliation
[A]:
A