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: Vesicle transport requires energy, so it is also a form of active transport., Fact2: Absorption comes from active transport., Question: What is a form of vesicle transport that requires energy? (A) absorption (B) glucose (C) Leptospirosis (D) a solute (E) Energy. (F) bioaerosols (G) direct energy (H) heat or cold
Output:
A