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: a breathing mask is used for keeping harmful particles from entering the respiratory system, Fact2: Oxygen enters the respiratory system through the mouth and the nose., Question: Breathing masks are used to keep harmful particles from entering the mouth and the what? (A) body (B) eyes (C) air (D) skin (E) gullet (F) nose (G) ears (H) lungs
F

Fact1: Annelids have the amazing capacity to regrow segments that break off., Fact2: Annelids include earthworms and leeches., Question: What do earthworms do when a segment breaks off (A) Dies (B) Regrows it (C) Reproduces (D) Sediment (E) root growth (F) migrate (G) Stops growing (H) roots
B

Fact1: Mating is generally preceded by courtship., Fact2: Courtship is similar across species., Question: What is generally similar across species? (A) tail fins (B) our star (C) the eyes (D) vision (E) mating (F) Flowers (G) bushes (H) alpacas
E