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: Veins generally carry deoxygenated blood., Fact2: Arteries and veins are blood vessels., Question: Arteries in the body are able to carry what? (A) saliva (B) breathe (C) water (D) Air (E) oxygen (F) blood (G) veins (H) liquid
[EX A]: F

[EX Q]: Fact1: erosion of soil has a negative impact on the environment, Fact2: Weathering and erosion continue to shape it today., Question: What has a negative impact on the environment? (A) harmful substances (B) weathering of soil (C) saving water (D) planting trees (E) deforestation (F) massive damage (G) recycling (H) enormous damage to homes
[EX A]: B

[EX Q]: Fact1: the mass of an object causes the gravitational force exerted by that object, Fact2: If an object has weight it necessarily has mass., Question: What aspect of an bject causes the gravitational force exerted by that object? (A) atmosphere (B) kinetic (C) motion (D) two (E) barrel (F) shape (G) TRH (H) weight
[EX A]:
H