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: Ants communicate with chemicals called pheromones., Fact2: Ants are of extreme importance in the insect world., Question: How do some insects communicate? (A) sound (B) sensory neurons (C) Decibels (D) electronic waves (E) progesterone (F) Vibrates (G) pheromones (H) radio waves

Ex Output:
G

Ex Input:
Fact1: Protozoa can be classified on the basis of how they move., Fact2: Paramecium are protozoa, single celled animals., Question: What can be classified on the basis of how they move? (A) each species (B) aquatic organisms (C) reptiles ancestral to mammals (D) single celled organisms (E) microbes and mussels (F) trailers and boats (G) How fast a vehicle is going (H) melanin content

Ex Output:
D

Ex Input:
Fact1: increasing heat causes thermal expansion, Fact2: Thermal burns are caused by exposure to heat., Question: what can cause burns? (A) epidermis and dermis (B) Pesticides (C) Males and females (D) rays or beams (E) fossil fuels (F) Electrical energy (G) thermal expansion (H) harmful substances

Ex Output:
G