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: Amphibians have sense organs to smell and taste chemicals., Fact2: Lizards use their tongues as sense organs., Question: What are lizards able to use their tongues to do? (A) taste (B) arrange their nest (C) noise (D) measure prey length (E) smell the color of organs (F) snort (G) breathe (H) vibrate
Output:
A