Perhaps you'll even save a life.
( Perhaps ( you ( ( ( 'll even ) ( save ( a life ) ) ) . ) ) )
(ROOT (S (ADVP (RB Perhaps)) (NP (PRP you)) (VP (MD 'll) (ADVP (RB even)) (VP (VB save) (NP (DT a) (NN life)))) (. .)))
Perhaps you will even prevent someone from dying.
( Perhaps ( you ( ( ( will even ) ( ( prevent someone ) ( from dying ) ) ) . ) ) )
(ROOT (S (ADVP (RB Perhaps)) (NP (PRP you)) (VP (MD will) (ADVP (RB even)) (VP (VB prevent) (NP (NN someone)) (PP (IN from) (NP (VBG dying))))) (. .)))