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: Hormones are chemical messengers that control many body functions., Fact2: Growth hormone is in many ways an anti-aging hormone., Question: What controls anti-aging? (A) A computer (B) air (C) chemical messengers (D) ice (E) an electric stove (F) Electrical energy (G) water (H) Chemical energy
[EX A]: C

[EX Q]: Fact1: information in an organism 's chromosomes cause genetic traits to be passed down to that organism 's offspring, Fact2: DNA is a carrier of information of inheritance., Question: What causes genetic traits to be passed down to that organism 's offspring? (A) RNA (B) rice (C) SNPs (D) DNA (E) gene (F) sex (G) the opposite sex (H) water
[EX A]: D

[EX Q]: Fact1: a measuring cup is used for measuring the volume of substances, Fact2: Objects displace their volume in a fluid., Question: what is a measuring cup used for measuring? (A) displacement of objects (B) barrel-shaped (C) Something that is self-aware (D) layers of fat (E) objects that have mass (F) fissures of hot, acidic water (G) looseness of dirt or compost (H) heat or cold
[EX A]:
A