be the biggest husband-and-wife disaster since john 
(ROOT (S (VP (VB be) (NP (NP (DT the) (JJS biggest) (NML (NN husband) (HYPH -) (CC and) (HYPH -) (NN wife)) (NN disaster)) (PP (IN since) (NP (NNP john)))))))
(ROOT (S (VP (VB ) (NP (NP (DT ) (JJS ) (NML (NN ) (HYPH ) (CC ) (HYPH ) (NN )) (NN )) (PP (IN ) (NP (NNP )))))))