Problem: Generate a sentence that contains a fact.
Sentence: national parks limit hunting

Problem: Generate a sentence that contains a fact.
Sentence: pollination is when wind carry pollen from one flower to another flower

Problem: Generate a sentence that contains a fact.
Sentence: as flatness of a leaf increases , the amount of sunlight that leaf can absorb will increase

Problem: Generate a sentence that contains a fact.
Sentence:
a stem is used to store water by some plants