You will be given a definition of a task first, then some input of the task.
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").

Fact1: lungs are used for breathing air by land animals, Fact2: African Elephants are the biggest land animals., Question: how do african elephants breathe (A) with ears (B) with skin (C) survive (D) four limbs (E) with lungs (F) Pituitary gland (G) with tusk (H) Heart rate
Output:
E