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").
--------
Question: Fact1: All life relies on a relatively narrow range of pH, or acidity., Fact2: All organisms have life cycles., Question: what relies on a relatively narrow range of acidity? (A) organisms (B) carbon (C) animals (D) hydrogen (E) density (F) trees (G) Most plants (H) barnacles

Answer: A


Question: Fact1: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Interestingly, a squid is also a mollusk., Question: What can live in marine habitats? (A) lizards (B) horses (C) elephants (D) fur seals (E) a fish (F) squids (G) barnacles (H) animals

Answer: F


Question: Fact1: if a habitat can no longer support animals then those animals will move to another area, Fact2: Cows are social animals., Question: what will move to another area if their habitat will no longer support them? (A) density (B) Birds (C) squids (D) humans (E) clouds (F) gravity (G) cows (H) Whales

Answer:
G