That sounds dangerous.
( That ( ( sounds dangerous ) . ) )
(ROOT (S (NP (DT That)) (VP (VBZ sounds) (ADJP (JJ dangerous))) (. .)))
That sounds like a really boring and safe thing to do.
( That ( ( sounds ( like ( a ( ( ( ( really boring ) and ) safe ) ( thing ( to do ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT That)) (VP (VBZ sounds) (PP (IN like) (NP (DT a) (ADJP (ADJP (RB really) (VBG boring)) (CC and) (ADJP (JJ safe))) (NN thing) (S (VP (TO to) (VP (VB do))))))) (. .)))