Problem: Generate a sentence that contains a fact.
Sentence: An example of evaporation is a body of water drying up by absorbing heat energy

Problem: Generate a sentence that contains a fact.
Sentence: natural magnetism is used for pointing north by a compass

Problem: Generate a sentence that contains a fact.
Sentence: a tree growing a tree-growth ring occurs once per year

Problem: Generate a sentence that contains a fact.
Sentence:
force causes the speed of an object to increase