Assertion: guitar's instrument | /r/CapableOf | use string
Facets:
value: for picking
type: PURPOSE
value: for strumming
type: PURPOSE
Source sentences:
text: A number of variations are available, including an instrument that uses strings for strumming or picking, to trigger notes, whereas the pitch of the notes is determined by the keys that cover what would be a "fretboard" in an ordinary, stringed guitar.