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: a breathing mask is used for keeping harmful particles from entering the respiratory system, Fact2: Pulmonologists treat lungs and respiratory systems., Question: what does a breathing mask keep harmful particles from entering? (A) skin (B) tissue (C) stomach (D) h2o (E) H20 (F) air (G) lungs (H) gas masks
[A]: G


[Q]: Fact1: Evaporation of sweat uses energy, and the energy comes from body heat., Fact2: When sweat is evaporated into the air, it provides additional cooling., Question: Energy that comes from body heat can help with  (A) recovery (B) commuting (C) movement (D) cooling (E) strength (F) stay warm (G) health (H) motion
[A]: D


[Q]: Fact1: condensing causes a liquid to form, Fact2: Vapors are cooled and condensed into liquid., Question: What can form from vapor? (A) heat (B) nicotine (C) liquid (D) water (E) glycogen (F) ice (G) fire (H) a prism
[A]:
C