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: Molecules of tRNA bring amino acids to the ribosome in the correct sequence., Fact2: Ribosomes are sites of protein synthesis., Question: Molecules of _ initiate protein synthesis (A) Acids (B) nektar (C) sugar (D) tRNA (E) H 2 O (F) three (G) CO 2 (H) HIV
[A]: D


[Q]: Fact1: Mating is generally preceded by courtship., Fact2: For example, a black rooster and a white hen mate, and the resulting offspring are gray., Question: What can result in offspring? (A) seeds (B) competition (C) courtship (D) travel (E) resistance (F) solitude (G) litter (H) reading
[A]: C


[Q]: Fact1: sunlight and rain can cause a rainbow, Fact2: Rain water contains small particulates and acid., Question: Sunlight and water containing small particulates and acid can cause what? (A) flooding (B) symptoms (C) rainbow (D) erosion (E) Pollution (F) toxins (G) imbalanced (H) disease
[A]:
C