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").

Input: Consider Input: Fact1: planting trees has a positive impact on an ecosystem, Fact2: An ecosystem contains many habitats., Question: doing what with trees has a positive impact on habitats (A) making tables (B) chopping down (C) planting (D) watershed (E) earth (F) bloom time (G) growth (H) timbering

Output: C


Input: Consider Input: Fact1: crossing two living things with recessive traits causes their offspring to have that recessive trait, Fact2: Freckles are an autosomal recessive trait., Question: Crossing two living things with freckles causes who to have freckles? (A) pebbles (B) sea urchins (C) humans (D) some mammals (E) makeup (F) clothing (G) monotremes (H) offspring

Output: H


Input: Consider Input: Fact1: Organisms that live in marine biomes must be adapted to the salt in the water., Fact2: Marine biology is the study of organisms that happen to be marine., Question: What is the study of creatures that live in water biomes? (A) animals (B) warm-blooded (C) marine biology (D) it needs them (E) Animal survival (F) observation (G) alchemy (H) animal reproduction


Output: C