instruction:
In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
question:
Sentence: Besides the concentration of dissolve oxygen and nutrients in the water, the availability of sunlight limits aquatic organisms. Question: Besides the concentration of dissolve oxygen and nutrients in the water, what other factor limits aquatic organisms?
answer:
availability of sunlight


question:
Sentence: Uranus is so faint because it is far away. Question: Why is uranus so faint?
answer:
far away


question:
Sentence: The earth's crust is composed of igneuos rock. Question: What is the earths crust composed of?
answer:

igneuos rock