That's why we tried to kill you.
( That ( ( 's ( why ( we ( tried ( to ( kill you ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT That)) (VP (VBZ 's) (SBAR (WHADVP (WRB why)) (S (NP (PRP we)) (VP (VBD tried) (S (VP (TO to) (VP (VB kill) (NP (PRP you))))))))) (. .)))
That is the reason why we attempted to kill you.
( That ( ( is ( ( the reason ) ( why ( we ( attempted ( to ( kill you ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT That)) (VP (VBZ is) (NP (NP (DT the) (NN reason)) (SBAR (WHADVP (WRB why)) (S (NP (PRP we)) (VP (VBD attempted) (S (VP (TO to) (VP (VB kill) (NP (PRP you)))))))))) (. .)))