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: 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: pollutants have a negative impact on the environment, Fact2: Carbon dioxide is a pollutant., Question: What affects the environment negatively? (A) sunlight (B) normal weather patterns (C) carbon dioxide (D) cigarettes (E) positivity (F) Smoking (G) harmful substances (H) fossil fuels

Answer: C


Question: Fact1: Hagfish are noted for secreting large amounts of thick, slimy mucus., Fact2: Hagfishes are entirely marine, very slimy, and feed on carrion and injured fishes., Question: What do hagfish secrete? (A) sweat (B) RNA (C) water (D) air (E) Protein (F) mucus (G) saliva (H) antigen

Answer:
F