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").

[EX Q]: Fact1: conserving resources has a positive impact on the environment, Fact2: Recycling saves energy, conserves natural resources and helps protect the environment., Question: What impact does recycling have on the environment? (A) Positive (B) humans (C) Negative (D) less water (E) mild (F) protect them (G) It changes life as we know it (H) It's inconsequential
[EX A]: A

[EX Q]: Fact1: Mutations may change the structure of a chromosome or just change a single nucleotide., Fact2: SNPs involve polymorphisms at the single nucleotide level., Question: What is a potential outcome of genetic mutation? (A) HIV (B) albino (C) anemia (D) pizza eating turtles (E) genealogy (F) SNPs (G) biology (H) death
[EX A]: F

[EX Q]: Fact1: Some parasites kill their host, but most do not., Fact2: Tapeworms are internal parasites of vertebrates., Question: What are hosted, but don't usually kill their host? (A) ferns (B) deadly viruses (C) insects (D) tapeworms (E) bacteria (F) orchids (G) deadly diseases (H) white blood cells
[EX A]:
D