People normally play the piano. They don't play on the piano. ("Play the piano" and "play on the piano"are both possible, but they mean different things.) Perhaps:
I enjoy listening to my daughter play the piano.
I fell asleep before Peter played his role. It was a very boring play.
You have two sentences that are exactly the same, and one of them is marked "correct" and the other "incorrect".
The last one doesn't make sense to me. Perhaps:
I have never considered returning to Anfield.
Student or Learner