Given the task definition and input, reply with output. 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: Protozoa make humans sick when they become human parasites., Fact2: Malaria parasites are transmitted by mosquitos., Question: An example of protozoa that make humans sick is (A) Pelycosaur (B) coliform (C) Type O (D) Worms (E) cnidarians (F) hagfish (G) malaria (H) Therapsids
G