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: Plasma cells are activated B cells that secrete antibodies., Fact2: Antibodies are produced by plasma cells., Question: antibodies are produced by activated B cells that do what? (A) Animal survival (B) killing insects (C) interact (D) secrete them (E) migrate (F) reproduce (G) competition (H) Allergies
[EX A]: D

[EX Q]: Fact1: absorbing sunlight causes objects to heat, Fact2: Any object expands when heated and contracts when cooled., Question: absorbing sunlight causes objects to (A) Energy. (B) toughness (C) energy (D) warm (E) power (F) expand (G) photons (H) warmth
[EX A]: F

[EX Q]: Fact1: Genes that are located on the same chromosome are called linked genes., Fact2: Genes and chromosomes exist in pairs., Question: What are genes located on the same pair? (A) fused (B) complex (C) nuclear (D) animals (E) cells (F) linked (G) offspring (H) alleles
[EX A]:
F