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").

Fact1: Some parasites kill their host, but most do not., Fact2: Parasites include lungworms and GI parasites., Question: What can kill their host? (A) cigarettes (B) bacteria (C) adding heat (D) heat or cold (E) burning (F) Dehydration (G) lungworms (H) Pollution
G

Fact1: being distracted while driving can cause people to crash their car, Fact2: Cell phones are a distraction to driving., Question: What can cause people to crash their car? (A) Driving the speed limit (B) energy of moving objects (C) Greenhouse gases (D) Using turn signals (E) fossil fuels (F) smoking cigarettes (G) Keeping their eyes on the road (H) Using a cell phone
H

Fact1: contact between rocks over long periods of time causes rocks to smooth, Fact2: Metamorphic rocks are rocks formed by the alteration of preexisting rocks deep within the Earth., Question: what between objects formed deep within the Earth causes them to smooth (A) Movement (B) loose soil (C) erosion (D) contact (E) soils (F) break off (G) friction (H) Bend

D