 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 smell like?
( What ( ( ( did it ) ( smell like ) ) ? ) )
(ROOT (SBARQ (WHNP (WP What)) (SQ (VBD did) (NP (PRP it)) (VP (VBP smell) (PP (IN like)))) (. ?)))