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: soil erosion means soil loss through wind, Fact2: Wind is defined as moving air., Question: what causes soil loss from soil erosion? (A) nutrients (B) flooding (C) rainfall (D) moving air (E) deforestation (F) forces (G) stagnant air (H) lome
[A]: D


[Q]: Fact1: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Though most trout are freshwater fish, some live in marine waters., Question: What do some mollusks live near? (A) gills (B) rivers (C) desert (D) roads (E) fungi (F) trout (G) clouds (H) water
[A]: F


[Q]: Fact1: Sponges are filter feeders., Fact2: Since mussels are filter-feeders, they clean water as they feed., Question: What do sponges clean? (A) reefs (B) trees (C) aquatic (D) matter (E) dirt (F) retina (G) snails (H) water
[A]:
H