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").

Example Input: Fact1: Ants communicate with chemicals called pheromones., Fact2: Ants communicate with the colony in the form of what is called pheremon trails., Question: Ants communicate with the colony using what? (A) Electrical energy (B) Chemical energy (C) visible energy (D) Decibels (E) pheremon traits (F) heat energy (G) refraction of light (H) mechanical waves
Example Output: E

Example Input: Fact1: when a body of water receives more water than it can hold , a flood occurs, Fact2: Flood probability is based on past floods., Question: How do we determine the probability of receiving more water than a body can hold? (A) evaporation (B) climate (C) The past (D) watershed (E) Dilution (F) energy usage (G) Temperature (H) salinity
Example Output: C

Example Input: Fact1: sound can be used for communication by animals, Fact2: Orangutans have a vocal repertoire of about 13 sounds., Question: Orangutans can communicate by doing what? (A) mental telepathy (B) Infomercials (C) contracting (D) singing opera (E) focusing a lens (F) vocalizing (G) adding heat (H) unidirectional
Example Output:
F