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: All cnidarians are aquatic., Fact2: Cnidarians include jellyfish and anemones., Question: what are jellyfish? (A) aquatic (B) protozoa (C) land (D) air (E) underground (F) Porifera (G) vorticella (H) backbones
Output:
A