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: Marine species live mainly in shallow coastal waters., Fact2: Killer whales prefer shallow and colder coastal waters., Question: What are killer whales? (A) red and black (B) They have thick fur (C) dangerous (D) sharks (E) deep sea creatures (F) marine species (G) Absorb light (H) animals

Answer: F


Question: Fact1: Some parasites live on the surface of their host., Fact2: Leeches are external parasites., Question: What unwanted creature would be found on the surface of a human body using it as a host?  (A) Tapeworm. (B) Leeches. (C) Pesticides (D) animals (E) insects (F) Hookworm (G) bacteria (H) Bracelet.

Answer: B


Question: Fact1: Lung cancer is most often caused by exposure to tobacco smoke., Fact2: Lung cancer is the Godzilla of cancers., Question: the godzilla of cancers is most often caused by exposure to what? (A) rays or beams (B) fossil fuels (C) Pollution (D) tobacco smoke (E) light energy (F) Chemical energy (G) high temperature (H) harmful substances

Answer:
D