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").

[Q]: 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.
[A]: B


[Q]: Fact1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit, Fact2: Electrons flow continuously in a closed circuit., Question: powering an electrical device with a battery requires a path for electrons to what? (A) hydrogen and oxygen (B) spread out (C) electromagnetic energy (D) cut the line (E) flow continuously (F) an electron microscope (G) flood (H) kinetic energy
[A]: E


[Q]: Fact1: if an animal lives under ground then that animal will be protected from a wild fire, Fact2: Prairie dogs live in underground burrows., Question: What are prairie dogs protected from? (A) colder weather (B) deforestation (C) sun's heat (D) disease (E) threatened (F) a wild fire (G) A virus (H) cold air
[A]:
F