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: Most amphibians breathe with gills as larvae and with lungs as adults., Fact2: An adult frog has lungs and teeth., Question: Adult frogs have what and breathe with gills as larvae? (A) embryos (B) a fish (C) ovaries (D) grow (E) teeth (F) survive (G) NaCl (H) oxygen
Output:
E