, the characters in swimfan seem motivated by nothing short of dull , brain-deadening hangover . 
(ROOT (S (, ,) (NP (NP (DT the) (NNS characters)) (PP (IN in) (NP (NN swimfan)))) (VP (VBP seem) (S (VP (VBN motivated) (PP (IN by) (NP (NP (NN nothing)) (ADJP (JJ short) (PP (IN of) (NP (JJ dull) (, ,) (ADJP (NN brain) (HYPH -) (JJ deadening)) (NN hangover))))))))) (. .)))
(ROOT (S (, ) (NP (NP (DT ) (NNS )) (PP (IN ) (NP (NN )))) (VP (VBP ) (S (VP (VBN ) (PP (IN ) (NP (NP (NN )) (ADJP (JJ ) (PP (IN ) (NP (JJ ) (, ) (ADJP (NN ) (HYPH ) (JJ )) (NN ))))))))) (. )))