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: natural disasters can cause animals to leave an environment, Fact2: Climate change has been linked to the increasing ferocity of natural disasters., Question: What kind of environmental changes can result from climate change? (A) Greenhouse gases (B) threatened (C) deforestation (D) colder and wetter (E) global warming (F) animals leaving (G) Pollution (H) Greenhouse gasses
Output:
F