Problem: Generate a sentence that contains a fact.
Sentence: as the population of plants decreases , carbon in the atmosphere will increase

Problem: Generate a sentence that contains a fact.
Sentence: coal is used to produce electricity by burning in coal-fire power stations

Problem: Generate a sentence that contains a fact.
Sentence: a complete revolution of the Earth around the sun takes one solar year

Problem: Generate a sentence that contains a fact.
Sentence:
if a substance absorbs solar energy then that substance will increase in temperature