I look nobody is standing at the saw.
( I ( ( look ( nobody ( is ( standing ( at ( the saw ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP look) (SBAR (S (NP (NN nobody)) (VP (VBZ is) (VP (VBG standing) (PP (IN at) (NP (DT the) (NN saw)))))))) (. .)))
Nobody is standing at the saw.
( Nobody ( ( is ( standing ( at ( the saw ) ) ) ) . ) )
(ROOT (S (NP (NN Nobody)) (VP (VBZ is) (VP (VBG standing) (PP (IN at) (NP (DT the) (NN saw))))) (. .)))