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").

Ex Input:
Fact1: Annelids have the amazing capacity to regrow segments that break off., Fact2: Annelids include earthworms and leeches., Question: What do earthworms do when a segment breaks off (A) Dies (B) Regrows it (C) Reproduces (D) Sediment (E) root growth (F) migrate (G) Stops growing (H) roots

Ex Output:
B

Ex Input:
Fact1: Humans have collected and grown mushrooms for food for thousands of years., Fact2: Yeast and mushrooms are types of fungus., Question: What have humans collected and grown for thousands of years? (A) Organic compounds (B) types of coral (C) types of ferns (D) bioaerosols (E) Most plants (F) types of fungus (G) types of pine trees (H) peachleaf willow

Ex Output:
F

Ex Input:
Fact1: biofuel is used to produce electricity by burning, Fact2: Ethanol, a form of alcohol, is already the most common biofuel., Question: a form of alcohol is used to produce electricity by what? (A) reducing heat (B) burning (C) spreading seeds (D) sharing pressure (E) deadly (F) drinking (G) consumers (H) Decibels

Ex Output:
B