As a piano produces sound, its hammers cause the strings to vibrate, and the resulting vibrations are released into the air through the soundboard, generating sound.
(a piano; produces; sound) (its hammers; cause; the strings to vibrate) (the resulting vibrations; are released; into the air; generating sound)
a piano its hammers the resulting vibrations
produces cause are released
sound
the strings to vibrate
into the air generating sound