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: Plants live just about everywhere on Earth., Fact2: Snakes live almost everywhere on earth., Question: Plants and snakes live _. (A) almost everywhere (B) important habitats (C) hydrate their cells (D) reproduce (E) more abundant (F) competing for resources (G) the environment (H) vegetation

Ex Output:
A

Ex Input:
Fact1: Flagella help prokaryotes move., Fact2: Most prokaryotes are unicellular., Question: What helps unicellular organisms move? (A) evaporation (B) bacteria (C) heat energy (D) glucose (E) sweating (F) flagella (G) legs (H) blood

Ex Output:
F

Ex Input:
Fact1: heavy rains cause flooding, Fact2: With the rain comes floods, and with the floods come erosion and landslides., Question: What can cause erosion and landslides? (A) condensation (B) mines (C) mouth of rivers (D) heavy rain (E) chemical reaction (F) vehicles (G) electricity (H) deforestation

Ex Output:
D