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").

Input: Consider Input: Fact1: Sponges have specialized cells called collar cells., Fact2: Flagellum of collar cell cause current to pass over collar and food is collected., Question: Which aspect of a sponge's cells allow it to collect food? (A) the cervix (B) teeth (C) flagellum (D) cartilage (E) plasma (F) osculum (G) tissue (H) potassium

Output: C


Input: Consider Input: Fact1: chemical splashing can cause harm to humans, Fact2: Man is human, subject to error., Question: What can chemical splashing can cause harm to? (A) Water (B) pugs (C) cats (D) Acid (E) life (F) Chemical solution (G) Man (H) pigs

Output: G


Input: Consider Input: Fact1: waxy leaves are used for storing water by some plants, Fact2: Waxy leaves keep the plant from drying out., Question: Leaves that keep the plant from what are used for storing water by some plants? (A) drying out (B) absorbing liquid (C) bacteria (D) cold air (E) staying damp (F) dormant state (G) toxins (H) keeping moist


Output: A