That sounds dangerous.
( That ( ( sounds dangerous ) . ) )
(ROOT (S (NP (DT That)) (VP (VBZ sounds) (ADJP (JJ dangerous))) (. .)))
Wrestling with crocodiles does not sound healthy.
( ( Wrestling ( with crocodiles ) ) ( ( ( does not ) ( sound healthy ) ) . ) )
(ROOT (S (S (VP (VBG Wrestling) (PP (IN with) (NP (NNS crocodiles))))) (VP (VBZ does) (RB not) (VP (VB sound) (ADJP (JJ healthy)))) (. .)))