Detailed Instructions: 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 long tail can be used to move through water by an animal, Fact2: Salamanders have a long tail that is used for swimming., Question: What swims through water? (A) rocks (B) salamanders (C) eggs (D) Jellyfish (E) corals (F) mussels (G) sharks (H) a fish
A:
B