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").

Input: Consider Input: Fact1: a fire requires oxygen to burn, Fact2: In the vacuum of space, there's no oxygen to burn., Question: Where is fire impossible? (A) evaporation (B) In space (C) A computer (D) uncontrolled (E) Inside a car (F) On television (G) summer end (H) On a mountain

Output: B


Input: Consider Input: Fact1: a flashlight requires a source of electricity to produce light, Fact2: Flashlights can help children see better., Question: Children see better with a source of electricity to do what? (A) focusing a lens (B) staying warm (C) survival (D) reproduce (E) produce light (F) remove electricity (G) produce darkness (H) remove light

Output: E


Input: Consider Input: Fact1: Introns are regions that do not code for proteins., Fact2: Protein There are many types of protein., Question: How many types of introns are there? (A) Length (B) four (C) Many (D) SO2 (E) three (F) CO 2 (G) small (H) genus


Output: C