with a sour taste in one 's mouth , and little else 
(ROOT (PP (IN with) (NP (NP (NP (DT a) (JJ sour) (NN taste)) (PP (IN in) (NP (NP (PRP one) (POS 's)) (NN mouth)))) (, ,) (CC and) (NP (JJ little) (RB else)))))
(ROOT (PP (IN ) (NP (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NP (PRP ) (POS )) (NN )))) (, ) (CC ) (NP (JJ ) (RB )))))