Problem: Randomly generate a fact.

Random fact: if an object is exposed to a source of heat then that conductor may become hot
Generate a sentence that answers this question: "Lake Ontario formed from".

Answer: a glacier causes mechanical weathering
question: What sentence would provide a factual answer to this question: "Which is bad for the environment?"

answer: burning gasoline is a source of pollution
Problem: What is a random fact?

Answer: An example of replacing a natural resource is planting new trees where a forest once stood
Problem: Generate a sentence that contains a fact.

coal is used to produce electricity by burning in coal-fire power stations
Problem: Generate a sentence that contains a fact.
the looseness of soil has a positive impact on a plant 's roots' growth in that soil