Detailed Instructions: 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").
Problem:Fact1: Mollusks are invertebrates such as the common snail., Fact2: Gastropods are snails and slugs., Question: What are invertebrates such as gastropods? (A) insects (B) watermelon (C) squids (D) barnacles (E) mollusks (F) graptolites (G) food (H) starfish
Solution:
E