Homer is frustrated in efforts to start a fire, but Lisa has easily started one using a magnifying glass.
(Homer; is; frustrated) (Lisa; has easily started; one; L:in efforts) Context(Lisa has easily started,List([52, 75))):(Lisa; has easily started one using; a magnifying glass)
Lisa has easily started,List([52, 75))
Homer Lisa Lisa
is has easily started has easily started one using
frustrated
one L:in efforts
a magnifying glass