Generate a sentence that answers this question: "If a warm potato is left on a steel sink, the potato will".

Answer: if a hot substance is touches a cold object then that substance will likely cool

Generate a sentence that answers this question: "The below surface pebbles of the rio grande are of non rough edges because of?".

Answer: a canyon is made of rocks

Generate a sentence that answers this question: "what is the speediest healer?".

Answer:
speed is a measure of how fast an object is moving