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 Q]: 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
[EX A]: E

[EX Q]: Fact1: being distracted while driving can cause people to crash their car, Fact2: Cell phones are a distraction to driving., Question: Using cell phones while driving can cause what? (A) symptoms (B) Pollution (C) flooding (D) heat (E) crashes (F) disease (G) safety (H) cancer
[EX A]: E

[EX Q]: Fact1: a long tail can be used to move through water by an animal, Fact2: Sharks use their tail to move through the water., Question: How do sharks move through the water? (A) pipe (B) eyes (C) Tail (D) dorsal (E) mouth (F) speed (G) gills (H) slowly
[EX A]:
C