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: Tunicates reproduce sexually., Fact2: Sea squirts are the best known tunicates., Question: what reproduces sexually? (A) orchids (B) mountains (C) viruses (D) humans (E) sea squirts (F) Most plants (G) h2o (H) insects

Ex Output:
E


Ex Input:
Fact1: Playing is one way mammals and other animals learn how to behave., Fact2: Sea lions are tactile mammals., Question: What do sea lions learn how to behave from? (A) exercise (B) Energy. (C) fish (D) Movement (E) Energy (F) playing (G) children (H) whales

Ex Output:
F


Ex Input:
Fact1: fire converts chemical energy into light and heat energy, Fact2: Fires are large uncontrolled flames., Question: What do flames convert chemical energy into? (A) light and heat energy (B) heating liquids (C) electrical energy (D) Firecrackers (E) sonic energy (F) Something that causes allergies (G) kinetic energy (H) gravitational energy

Ex Output:

A