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: Most salamanders use their sense of smell to find a mate., Fact2: Like frogs, salamanders are amphibians., Question: What uses its sense of smell to find a mate? (A) the Sun (B) peachleaf willow (C) rocks (D) fur seals (E) warm-blooded (F) trees (G) passenger pigeons (H) some amphibians
[EX A]: H

[EX Q]: Fact1: soil erosion means soil loss through wind, Fact2: Hurricanes are made of wind., Question: What is soil erosion? (A) enormous damage to homes (B) movements in the earth's crust (C) soil regrowth (D) massive damage (E) soil fertilization (F) soil loss through hurricanes (G) soil loss through human works (H) fissures of hot, acidic water
[EX A]: F

[EX Q]: Fact1: if the amount of available food and water decreases in an environment then animals may leave that environment to find food and water, Fact2: Human beings are animals., Question: what may leave an environment to find food and water if the amount available decreases? (A) bullfrogs (B) Lobsters (C) squids (D) omnivores (E) oceans (F) trees (G) humans (H) clouds
[EX A]:
G