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: Viruses contain DNA but not much else., Fact2: All viruses consist of RNA or DNA and a protein coat., Question: what do viruses contain? (A) Mass (B) DNA (C) SNPs (D) RNA (E) acid (F) gene (G) ovum (H) host
[EX A]: D

[EX Q]: Fact1: Mollusks have a circulatory system with one or two hearts that pump blood., Fact2: An abalone is a shellfish or mollusk., Question: What has a circulatory system with one or two hearts that pump blood? (A) a fish (B) sharks (C) abalone (D) elephants (E) humans (F) crocodiles (G) giraffes (H) fur seals
[EX A]: C

[EX Q]: Fact1: TRH stimulates the pituitary gland to produce thyroid-stimulating hormone, or TSH., Fact2: Pituitary gland is called the master gland of the body., Question: The master gland of the body produces what stimulating hormone? (A) the looseness of soil (B) increases a body's strength (C) a hemisphere is tilted away from the sun (D) raising their temperature (E) it helps plants in growing (F) Generating heat (G) Thyroid-stimulating hormone (H) barks and snarls
[EX A]:
G