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: Evolution occurs in response to a change in the environment., Fact2: Animals react instinctively to changes in their environment., Question: What occurs in animals as they respond to changes in their habitat? (A) starvation (B) evolution (C) arousal (D) relocation (E) resistance (F) dependency (G) Leptospirosis (H) Movement
[A]: B


[Q]: Fact1: if humans disturb animals in a location then those animals will move to a different location, Fact2: These animals are the first to disappear as human disturbance increases., Question: In a location, what disappears first when disturbance increases? (A) dirt (B) bushes (C) mussels (D) loose soil (E) Light (F) rain (G) clouds (H) animals
[A]:
H