Sentence:Other keyed string [e1]instruments[/e1], small enough to be held by a strolling [e2]player[/e2], include the plucked autoharp, the bowed nyckelharpa, and the hurdy gurdy, which is played by cranking a rosined wheel.
 e1: instruments. 
 e2 : player.
Answer: Instrument-Agency(e1,e2)