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 permeable skin that easily absorbs substances from the environment., Fact2: Amphibians have lungs, but they also breathe through their skin., Question: what type of skin easily absorbs air to breathe through (A) human (B) water vapor (C) mammals (D) scales (E) It expands (F) permeable (G) furry (H) to stay warm
Output:
F