Problem: Generate a sentence that contains a fact.
Sentence: An example of weathering is when a plant root grows into a crack in rock

Problem: Generate a sentence that contains a fact.
Sentence: a light bulb converts electrical energy into light energy when it is turned on

Problem: Generate a sentence that contains a fact.
Sentence: seeing is used for sensing visual things

Problem: Generate a sentence that contains a fact.
Sentence:
thick feathers can be used for keeping warm