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").
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Question: Fact1: pathogens can cause disease, Fact2: Mad Cow disease is a concern., Question: What can cause Mad Cow? (A) Pollution (B) bacteria (C) cows (D) horses (E) illness (F) pathogens (G) influenza (H) chickenpox

Answer: F

Question: 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

Answer: D

Question: Fact1: Marine species live mainly in shallow coastal waters., Fact2: Along the coastal zone are situated shallow banks which are very rich in fish., Question: Marine species live mainly in waters which are very rich in what (A) liquid (B) energy (C) salt (D) fish (E) oxygen (F) life (G) matter (H) Carbon

Answer:
D