How did this man know?
( How ( ( ( did ( this man ) ) know ) ? ) )
(ROOT (SBARQ (WHADVP (WRB How)) (SQ (VBD did) (NP (DT this) (NN man)) (VP (VB know))) (. ?)))
The man's wife told him something.
( ( ( The ( man 's ) ) wife ) ( ( told ( him something ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN man) (POS 's)) (NN wife)) (VP (VBD told) (S (NP (PRP him)) (NP (NN something)))) (. .)))