Problem: Generate a sentence that contains a fact.
Sentence: a tree is a source of food for birds in an ecosystem

Problem: Generate a sentence that contains a fact.
Sentence: winter in the Northern Hemisphere is during the summer in the Southern Hemisphere

Problem: Generate a sentence that contains a fact.
Sentence: the crust is a layer of the Earth

Problem: Generate a sentence that contains a fact.
Sentence:
as the surface area of a body of water increases , evaporation of that body of water will increase