Given the task definition and input, reply with output. 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: Arthropods have a life cycle with sexual reproduction., Fact2: Insects are the largest group of arthropods., Question: What type of creatures have sexual reproduction as part of their life cycle? (A) plants (B) insects (C) proteins (D) ducks (E) animals (F) gametes (G) prions (H) fungi
B