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: if gas is heated then that gas will expand, Fact2: If more space between 2 galaxies more space to expand so it moves away faster., Question: When gas is heated, it takes up more: (A) solutes (B) plasma (C) fluidity (D) energy (E) space (F) viscosity (G) matter (H) Energy.

Ex Output:
E


Ex Input:
Fact1: water causes refraction of light, Fact2: Halos are produced by the refraction of light., Question: What causes halos? (A) germs (B) Pacific (C) solutes (D) water (E) storms (F) glass (G) algae (H) the sun

Ex Output:
D


Ex Input:
Fact1: Kidney failure may be treated with dialysis., Fact2: Dialysis Dialysis is a way of cleaning the blood with an artificial kidney., Question: What are you treating when you clean blood with an artificial kidney? (A) unicellular organisms (B) Cancer (C) coliform (D) Kidney failure (E) Kidney growth (F) bacterial infections (G) Pasteurization (H) saves lives

Ex Output:

D