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: Evaporation of sweat uses energy, and the energy comes from body heat., Fact2: When sweat comes in contact with the skin it is cooled as the sweat evaporates., Question: energy leaves from what when sweat contacts with skin (A) radiation (B) heat energy (C) expelled (D) vapors (E) body heat (F) heat produced (G) conduction (H) metal
[EX A]: E

[EX Q]: Fact1: Flagella help prokaryotes move., Fact2: Flagella and cilia are similar in structure., Question: What helps movement? (A) stamina (B) fur (C) cilia (D) hair (E) kinetic (F) nerves (G) motors (H) elastic
[EX A]: C

[EX Q]: Fact1: Immunity results from immunization., Fact2: An effect is the result or outcome of some cause., Question: What does immunization cause? (A) amino acids (B) sweating (C) immunoglobulin deficiency (D) nutrition (E) resistance (F) recovery (G) fever (H) immunity
[EX A]:
H