Assertion: keyboard instrument's string | /r/HasProperty | played
Facets:
value: by plucking them
type: MANNER
Source sentences:
text: They are not played directly, but vibrate "in sympathy" as the main strings are played.
text: On guitars and lutes, the bridge can be flat, because the strings are played by plucking them with the fingers, fingernails or a pick; by moving the fingers or pick to different positions, the player can play different strings.