Teacher: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").
Teacher: Now, understand the problem? Solve this instance: Fact1: Monotremes are mammals that reproduce by laying eggs., Fact2: Well, platypuses are mammals, and they lay eggs., Question: A platypus is an example of _. (A) Marsupial. (B) Monotremes. (C) insects (D) animals (E) killing insects (F) Amphibian. (G) Placental mammal. (H) matter vibrating
Student:
B