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: Frogs, toads and salamanders are amphibians., Question: What can frogs, toads and salamanders use to smell and taste chemicals? (A) sense organs (B) Chemical energy (C) matter vibrating (D) larynx (E) Organic compounds (F) ocular organs (G) gills (H) harmful substances
Output:
A