( Are ( ( pumpkins ( ( fruits or ) vegetables ) ) ? ) )
(ROOT (S (NP (NNP Are)) (VP (VBZ pumpkins) (NP (NNS fruits) (CC or) (NNS vegetables))) (. ?)))
Are pumpkins fruits or vegetables?
(ROOT (S (NP (DT A) (NN pumpkin)) (VP (VBZ is) (NP (DT a) (NN fruit))) (. .)))