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: a plant requires photosynthesis to grow, Fact2: Legumes are typical of that type of plant., Question: what requires photosynthesis to grow? (A) Roundworms (B) clouds (C) Conifers (D) Echinoids (E) humans (F) h2o (G) legumes (H) sugar
[A]: G

[Q]: 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
[A]: G

[Q]: Fact1: Lakes are generally bigger and deeper than ponds., Fact2: Then there's the big lake, Lake Superior, with all it's bays and tributaries., Question: areas with bays and tributaries are bigger and deeper than what? (A) bays (B) feet (C) ponds (D) oceans (E) wetland (F) fens (G) seas (H) deltas
[A]:
C