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
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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
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Q: Fact1: Bone provides protection for soft tissues and internal organs., Fact2: Soft tissue refers to the soft connective or supporting tissues, such as muscle., Question: Muscle and internal organs are protected by: (A) immunization (B) fur (C) fat (D) bone (E) hair (F) skin (G) defense (H) copper

A:
D
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