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: astronauts require preserved food for extended flights, Fact2: An astronaut is a scientist who is a space explorer., Question: Space explorers require preserved foods for (A) ground training (B) nutrients (C) Dehydration (D) survival (E) long flights (F) short flights (G) Special disposal (H) day trips

Ex Output:
E


Ex Input:
Fact1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells., Fact2: Surgery to remove the tumor is an option., Question: what might cells that divide uncontrollably need? (A) removal surgery (B) aqueous solution (C) turn to a doctor (D) an organism's body (E) kinetic energy (F) survival (G) Chemical energy (H) bioaerosols

Ex Output:
A


Ex Input:
Fact1: completing a circuit causes electricity to flow through that circuit, Fact2: An electric circuit is the path of an electric current., Question: What does current follow? (A) rivers (B) short (C) ground (D) watershred (E) courtship (F) circuit (G) waves (H) voltage

Ex Output:

F