 What did it look like?
( What ( ( ( did it ) ( look like ) ) ? ) )
(ROOT (SBARQ (WHNP (WP What)) (SQ (VBD did) (NP (PRP it)) (VP (VB look) (PP (IN like)))) (. ?)))
What did it look like to you?
( What ( ( ( did it ) ( look ( like ( to you ) ) ) ) ? ) )
(ROOT (SBARQ (WHNP (WP What)) (SQ (VBD did) (NP (PRP it)) (VP (VB look) (PP (IN like) (PP (TO to) (NP (PRP you)))))) (. ?)))