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").

Ex Input:
Fact1: Populations of viruses do not grow through cell division because they are not cells., Fact2: Prokaryotes multiply by simple cell division, forming clones or exact copies of themselves., Question: What are viruses not? (A) self-copies (B) an object (C) HIV (D) humans (E) infectious (F) homogenous (G) dangerous (H) prokaryotes

Ex Output:
H


Ex Input:
Fact1: Plasma cells are activated B cells that secrete antibodies., Fact2: Antibodies are produced by plasma cells., Question: antibodies are produced by activated B cells that do what? (A) Animal survival (B) killing insects (C) interact (D) secrete them (E) migrate (F) reproduce (G) competition (H) Allergies

Ex Output:
D


Ex Input:
Fact1: erosion causes deposition, Fact2: Erosion is the movement of soil by water., Question: What does the movement of soil by water cause? (A) flooding (B) Sediment (C) earthquakes (D) depostion (E) volcanic activity (F) Pollution (G) rainfall (H) hurricanes

Ex Output:

D