Is it like a gun?
( ( ( Is it ) ( like ( a gun ) ) ) ? )
(ROOT (SQ (VBZ Is) (NP (PRP it)) (NP (JJ like) (NP (DT a) (NN gun))) (. ?)))
Is it a ball?
( ( ( Is it ) ( a ball ) ) ? )
(ROOT (SQ (VBZ Is) (NP (PRP it)) (NP (DT a) (NN ball)) (. ?)))