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: 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
[A]: D


[Q]: Fact1: Antigens are molecules that the immune system recognizes as foreign to the body., Fact2: Children are born with an immature immune, or defense, system., Question: What are molecules that the defense system recognizes as foreign to the body? (A) Allergies (B) lungs (C) antigens (D) bacteria (E) parasites (F) atoms (G) red blood cells (H) acetic acid
[A]: C


[Q]: Fact1: Adult sponges produce eggs and sperm., Fact2: Each ovule usually contains one egg , the female gamete or sex cell., Question: Adult sponges produce sperm and what other sex cell? (A) testicles (B) it needs them (C) gastropod shells (D) fertile (E) testosterone (F) zygotes (G) female gametes (H) barnacles
[A]:
G