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: Zooplankton are tiny animals that feed on phytoplankton., Fact2: Scientists have shown that ocean organisms known as zooplankton harbor cholera bacteria., Question: What ocean organisms feed on phytoplankton? (A) gills (B) fungi (C) a fish (D) life (E) CO 2 (F) edible (G) sharks (H) tiny
Output:
H