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: Many corals secrete an exoskeleton that builds up to become a coral reef., Fact2: Good examples are Bubble coral, Elegance coral, Frogspawn and other Euphyllia corals., Question: What is secreted by organisms like frogspawn to become a reef? (A) exocrine glands (B) food and shelter (C) exoskeleton (D) bones (E) Energy (F) Chemical energy (G) plasma (H) Energy.
answer:
C


question:
Fact1: All cnidarians are aquatic., Fact2: Cnidarians are also called coelenterates., Question: What are aquatic? (A) coelenterates (B) trees (C) lizards (D) angiosperm (E) holding nutrients (F) trees and flowers (G) the Sun (H) humans
answer:
A


question:
Fact1: the color of leaves on deciduous trees usually changes in the autumn season, Fact2: Leaves change color, snow falls, and spring brings back the greenery., Question: what season happens before snow falls, and spring brings back the greenery (A) autumn (B) rainfall (C) Winter (D) H20 (E) spring (F) rain (G) middle (H) summer
answer:

A