the obligatory outbursts of flatulence and 
(ROOT (NP (NP (NP (DT the) (JJ obligatory) (NNS outbursts)) (PP (IN of) (NP (NN flatulence)))) (CC and)))
(ROOT (NP (NP (NP (DT ) (JJ ) (NNS )) (PP (IN ) (NP (NN )))) (CC )))