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: Viruses are usually considered to be nonliving., Fact2: Viruses are acellular and live on materials of other life., Question: what do acellular organisms need? (A) body water (B) fungi (C) Bodily water (D) Energy. (E) moss (F) Energy (G) flesh (H) living host
Output:
H