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: Caffeine is a central nervous system stimulant., Fact2: Cocaine is a stimulant and increases the user's heart rate and blood pressure., Question: What does caffeine do? (A) Increase fame (B) increases a body's strength (C) Release energy (D) Increase user's heart rate (E) Transfers energy (F) decrease stamina (G) Increase intelligence (H) Increase wealth

Ex Output:
D


Ex 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

Ex Output:
E


Ex Input:
Fact1: the vomiting reflex is used to remove toxic material from the stomach before it is absorbed, Fact2: Nicotine excites the vomiting reflex both in the brain and in the nerves of the stomach., Question: What reflex does nicotine cause because of its toxicity? (A) contracting (B) movement (C) motion (D) Vomiting (E) symptoms (F) Heart rate (G) sweating (H) kill

Ex Output:

D