response: That's very interesting! Did you know it was actually invented in 1700? An inventor, Bartolomeo Cristofori, made it in Italy.
original_response: That's wonderful. It is a beautiful instrument, invented in Italy in the 1700s by Bartolomeo Cristofori.
history: I'm learning how to play the piano.
knowledge: The piano is an acoustic, stringed musical instrument invented in Italy by Bartolomeo Cristofori around the year 1700 (the exact year is uncertain), in which the strings are struck by hammers.