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").

Example Input: Fact1: ultraviolet light causes sunburn, Fact2: Serious skin cancer is caused by sunburns in childhood., Question: What can develop as a result of too much exposure to ultraviolet light in childhood? (A) Sunflower syndrome (B) influenza (C) Hearing loss (D) hyperthyroidism (E) disease (F) symptoms (G) Lung cancer (H) Skin cancer
Example Output: H

Example 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
Example Output: B

Example Input: Fact1: a prism is used for refracting light, Fact2: Light seems to travel in rays or beams., Question: what is a prism used to refract? (A) focusing a lens (B) photons (C) h2o (D) glass (E) oxygen (F) rays or beams (G) our nearest star (H) an electron lens
Example Output:
F