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: Biodiversity increases the productivity and stability of ecosystems., Fact2: Ecotourism, on the other hand, can help to conserve biodiversity., Question: What increases the stability of ecosystems? (A) overpopulation (B) water consumption (C) loose soil (D) Quality of life (E) agriculture (F) deforestation (G) ecotourism (H) trees
[EX A]: G

[EX Q]: Fact1: Migration is a type of movement that changes population size., Fact2: Predatory animals migrate with the game animals., Question: When game animals move elsewhere, what else does? (A) relocation (B) prey animals (C) predatory animals (D) migratory birds (E) An object is seen (F) migrants (G) refract or absorb. (H) barks and snarls
[EX A]: C

[EX Q]: Fact1: if something is outside during the day then that something will receive sunlight, Fact2: Plants make sugar using sunlight., Question: All plants outdoors make what during the day? (A) sunlight (B) noise (C) Energy. (D) Glucose (E) salt (F) energy (G) seeds (H) sugar
[EX A]:
H