Problem: Generate a sentence that contains a fact.
Sentence: ink is used for hiding from predators by octopuses

Problem: Generate a sentence that contains a fact.
Sentence: biofuel is used to produce electricity by burning

Problem: Generate a sentence that contains a fact.
Sentence: metamorphosis is a stage in the life cycle process of some animals

Problem: Generate a sentence that contains a fact.
Sentence:
chlorophyll is used for absorbing light energy by plants