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").

Input: Consider Input: Fact1: Veins generally carry deoxygenated blood., Fact2: Arteries and veins are blood vessels., Question: Arteries in the body are able to carry what? (A) saliva (B) breathe (C) water (D) Air (E) oxygen (F) blood (G) veins (H) liquid

Output: F

Input: Consider Input: Fact1: water causes refraction of light, Fact2: Halos are produced by the refraction of light., Question: What causes halos? (A) germs (B) Pacific (C) solutes (D) water (E) storms (F) glass (G) algae (H) the sun

Output: D

Input: Consider Input: Fact1: nerves can be used to feel heat and pressure on the skin, Fact2: Sensory Nerve Endings are in involved in sensory reception., Question: How do you feel heat on your skin? (A) It burns (B) Something coming from a gland (C) Water vapor cooling (D) Your sensory system picks it up (E) Your skin peels (F) matter vibrating (G) Your skin turns red (H) By wind and rain
Output: D