Definition: 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: Fact1: Hermit crabs use the shells of dead snails for homes., Fact2: Hermit crabs have unusual homes., Question: what is an unusual home? (A) trees and flowers (B) a surface not sterilized (C) islets of Langerhans (D) 70-75 degrees Fahrenheit (E) heated by the sun (F) changes in size (G) animals with backbone (H) dead snail shells
Output:
H