The man shifted slightly and cut the spear out of the air.
( ( The man ) ( ( ( ( shifted slightly ) and ) ( ( ( cut ( the spear ) ) out ) ( of ( the air ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN man)) (VP (VP (VBD shifted) (ADVP (RB slightly))) (CC and) (VP (VBD cut) (NP (DT the) (NN spear)) (PRT (RP out)) (PP (IN of) (NP (DT the) (NN air))))) (. .)))
The man watched motionlessly as the spear fell. 
( ( The man ) ( ( ( watched motionlessly ) ( as ( ( the spear ) fell ) ) ) . ) )
(ROOT (S (NP (DT The) (NN man)) (VP (VBD watched) (ADVP (RB motionlessly)) (SBAR (IN as) (S (NP (DT the) (NN spear)) (VP (VBD fell))))) (. .)))