The man had probably heard him urinating or maybe even noticed the change of his breath as he awoke.
( ( The man ) ( ( ( had probably ) ( ( ( ( heard ( him urinating ) ) or ) ( maybe even ) ) ( ( noticed ( ( the change ) ( of ( his breath ) ) ) ) ( as ( he awoke ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN man)) (VP (VBD had) (ADVP (RB probably)) (VP (VP (VBN heard) (S (NP (PRP him)) (ADJP (JJ urinating)))) (CC or) (ADVP (RB maybe) (RB even)) (VP (VBN noticed) (NP (NP (DT the) (NN change)) (PP (IN of) (NP (PRP$ his) (NN breath)))) (SBAR (IN as) (S (NP (PRP he)) (VP (VBD awoke))))))) (. .)))
The man probably heard the spatter of his urine or the change in his breathing patterns.
( ( The man ) ( probably ( ( ( heard ( ( the spatter ) ( of ( ( ( his urine ) or ) ( the change ) ) ) ) ) ( in ( his ( breathing patterns ) ) ) ) . ) ) )
(ROOT (S (NP (DT The) (NN man)) (ADVP (RB probably)) (VP (VBD heard) (NP (NP (DT the) (NN spatter)) (PP (IN of) (NP (NP (PRP$ his) (NN urine)) (CC or) (NP (DT the) (NN change))))) (PP (IN in) (NP (PRP$ his) (NN breathing) (NNS patterns)))) (. .)))