Given the task definition and input, reply with output. 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").

Fact1: Molecules of tRNA bring amino acids to the ribosome in the correct sequence., Fact2: Amino acids are proteins., Question: what do molecules of tRNA bring to the ribosome? (A) food (B) Energy. (C) Joules (D) Energy (E) h2o (F) proteins (G) nucleus (H) electrons
F