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 Input:
Fact1: Echinoderms lack a centralized nervous system., Fact2: Sand dollars and sea biscuits are also echinoderms., Question: What lacks a centralized nervous system? (A) Damaged hearing (B) Humans (C) Horses (D) Sand dollars (E) insects (F) Chickens (G) Pesticides (H) barnacles

Ex Output:
D


Ex Input:
Fact1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins., Fact2: DNA is the genetic material responsible for heredity., Question: The genetic material responsible for heredity contains what? (A) wavelengths and photons (B) instructions for proteins (C) characteristics (D) pre-assembled proteins (E) organelles (F) Chemical energy (G) A compound that donates proton (H) blood

Ex Output:
B


Ex Input:
Fact1: Dilation occurs when cell walls relax., Fact2: An aneurysm is a dilation, or bubble, that occurs in the wall of an artery., Question: what can be relaxed by dilation? (A) artery (B) alveoli (C) the eyes (D) the skin (E) nerves (F) sweating (G) epidermal (H) breathing

Ex Output:

A