Question. Context: Three Rivers Park is a public urban waterfront park along the Allegheny, Monongahela, and Ohio Rivers in Pittsburgh, Pennsylvania.

Question: what are the three rivers of pittsburgh pennsylvania?
Answer. the Allegheny , Monongahela , and Ohio Rivers
What step-by-step reasoning justifies that answer?
Reasoning: To answer this question, we should know that: Three Rivers Park is a public urban waterfront park along the Allegheny, Monongahela, and Ohio Rivers in Pittsburgh, Pennsylvania.