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: Bivalves feed on plankton and nonliving organic matter., Fact2: Mussels are bivalve mollusks., Question: What feeds on plankton and nonliving organic matter? (A) barnacles (B) mollusks (C) animals (D) the Sun (E) sharks (F) graptolites (G) bacteria (H) dogs
B

Fact1: Organs of excretion make up the excretory system., Fact2: Digestive system Excretory system removes waste and toxic substances from blood., Question: What removes waste and toxic substances from the blood? (A) Special disposal (B) Something coming from a gland (C) aqueous solution (D) Veins and arteries. (E) digestive system organs (F) that material's properties (G) Something that causes allergies (H) microorganisms
E

Fact1: Glucose is used for energy by the cells of most organisms., Fact2: Food is converted into glucose., Question: What uses food for energy? (A) Most plants (B) no organisms (C) agriculture (D) the Moon (E) animals (F) athletes (G) most organisms (H) the Sun
G