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: Active immunity results when an immune response to a pathogen produces memory cells., Fact2: Pathogens are germs that cause disease., Question: Active immunity is when an immune response occurs after a germ produces what? (A) harmful substances (B) bioaerosols (C) rapid expansion (D) Allergies (E) anemia (F) it needs them (G) Chemical energy (H) memory cells

Answer: H

Question: Fact1: conserving water can be used for survival in a dry environment, Fact2: We learned about desert plants and how they adapt themselves to the hot dry desert environment so they can survive., Question: Plants can conserve water in order to survive where? (A) our planet (B) in a vacuum (C) in the desert (D) Earth's atmosphere (E) In the winter (F) in a laboratory (G) on the moon (H) forest is destroyed

Answer: C

Question: Fact1: competition may cause animals to fight towards members of their own species, Fact2: Humans are animals too., Question: what species may be caused to fight each other by competition? (A) h2o (B) Lobsters (C) violence (D) pigeons (E) gases (F) omnivores (G) bullfrogs (H) humans

Answer:
H