instruction:
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").
question:
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
answer:
B


question:
Fact1: Zooplankton are tiny animals that feed on phytoplankton., Fact2: Many zooplankton are crustaceans., Question: What can feed on phytoplankton? (A) producers (B) phytoplankton (C) passenger pigeons (D) bacteria (E) tiny crustaceans (F) the Sun (G) honeybees (H) parasites
answer:
E


question:
Fact1: Menopause occurs when menstruation stops occurring, usually in middle adulthood., Fact2: Menopause The Changes of Menopause Menopause marks the close of a woman's reproductive years., Question: A woman's reproductive years usually ends at what stage of life? (A) young adulthood (B) teen years (C) our star (D) It decreases (E) Plant growth is reduced (F) old age (G) our nearest star (H) middle adulthood
answer:

H