Clearly, people don't know how to reach lawyers.
( Clearly ( , ( people ( ( ( do n't ) ( know ( how ( to ( reach lawyers ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Clearly)) (, ,) (NP (NNS people)) (VP (VBP do) (RB n't) (VP (VB know) (SBAR (WHADVP (WRB how)) (S (VP (TO to) (VP (VB reach) (NP (NNS lawyers)))))))) (. .)))
It is obvious that people know how to contact lawyers.
( It ( ( ( is obvious ) ( that ( people ( know ( how ( to ( contact lawyers ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADJP (JJ obvious)) (SBAR (IN that) (S (NP (NNS people)) (VP (VBP know) (SBAR (WHADVP (WRB how)) (S (VP (TO to) (VP (VB contact) (NP (NNS lawyers)))))))))) (. .)))