Problem: Generate a sentence that contains a fact.
Sentence: kilometers km are a unit used for measuring distance generally used for values between 1 and 50000000

Problem: Generate a sentence that contains a fact.
Sentence: ethanol sometimes is made of corn

Problem: Generate a sentence that contains a fact.
Sentence: An example of a fossil is a footprint in a rock

Problem: Generate a sentence that contains a fact.
Sentence:
An example of moisture is water vapor in the atmosphere