Generate a sentence that answers this question: "A thing that now exists in fossilized form that can be put together to take a full shape is".

Answer: An example of a fossil is the bones of an extinct animal
question: What sentence would provide a factual answer to this question: "An example of a learned behavior is"

answer: if an animal is trained to do something then that something is a learned behavior
Problem: What is a random fact?

Answer: as the sale of a product decreases , the amount of money made by the person selling that product will decrease
Problem: Generate a sentence that contains a fact.

gills are used for breathing water by aquatic animals
Problem: Generate a sentence that contains a fact.
Sentence: An example of migration is birds flying south in the winter
Problem: What is a random fact?

Answer:
the Moon completes a lunar cycle over a period of 29 days