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: Most amphibians breathe with gills as larvae and with lungs as adults., Fact2: All frogs are amphibians., Question: What do frogs breathe with when they are adults? (A) skin (B) fins (C) lungs (D) oxygen (E) gills (F) air (G) Energy (H) Gases
C

Fact1: Plasma cells are activated B cells that secrete antibodies., Fact2: Antibodies are produced by plasma cells., Question: antibodies are produced by activated B cells that do what? (A) Animal survival (B) killing insects (C) interact (D) secrete them (E) migrate (F) reproduce (G) competition (H) Allergies
D

Fact1: when the body is hot , sweat is produced to cool the body, Fact2: Sweat glands produce more sweat., Question: When the body is hot, what cools the body? (A) Movement of an air mass (B) Something with a head, thorax, and abdomen (C) Something coming from a gland (D) Something from a shirt (E) heat is produced (F) Something from an organ (G) Chemical energy (H) Something from a bone

C