instruction:
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").
question:
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
answer:
G

question:
Fact1: erosion of soil has a negative impact on the environment, Fact2: Much of the landscape is scarred by severe soil erosion., Question: What is scarred by a negative impact on the environment? (A) mines (B) deforestation (C) skin (D) bushes (E) water (F) landscape (G) coastlines (H) clouds
answer:
F

question:
Fact1: Flowers produce spores that develop into gametophytes., Fact2: Gametophytes are photosynthetic and often heart-shaped., Question: What shape are the things that develop from spores? (A) fungi (B) a prism (C) small (D) Heart (E) complex (F) bushes (G) ferns (H) gills
answer:
D