in undergraduate doubling subtexts and ridiculous stabs 
(ROOT (PP (IN in) (NP (NP (JJ undergraduate) (NN doubling) (NNS subtexts)) (CC and) (NP (JJ ridiculous) (NNS stabs)))))
(ROOT (PP (IN ) (NP (NP (JJ ) (NN ) (NNS )) (CC ) (NP (JJ ) (NNS )))))