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: a flashlight requires a source of electricity to produce light, Fact2: Lanterns and flashlights are sources of light used for camping., Question: What does a lantern use a source of electricity for? (A) heat energy (B) staying warm (C) enclose light (D) produce light (E) absorb heat (F) reflect light (G) to move people (H) protect them
answer:
D

question:
Fact1: smell is used for finding food by some animals, Fact2: Olfaction is the sense of smell., Question: What do some animals use to find food? (A) Echinoids (B) breakfast (C) time travel (D) Energy (E) streams. (F) heat energy (G) nature (H) olfaction
answer:
H

question:
Fact1: faulting of rock in Earth 's crust causes earthquakes, Fact2: Earthquakes can cause a tsunami., Question: What can be caused by a faulting of the earth's crust? (A) a hurricane (B) a hail storm (C) waves (D) graptolites (E) a tsunami (F) loose soil (G) river (H) erosion
answer:
E