do n't fret about the calories because there 's precious little substance in birthday girl 
(ROOT (S (VP (VB do) (RB n't) (VP (VB fret) (PP (IN about) (NP (DT the) (NNS calories))) (SBAR (IN because) (S (NP (EX there)) (VP (VBZ 's) (NP (JJ precious) (JJ little) (NN substance)) (PP (IN in) (NP (NN birthday) (NN girl))))))))))
(ROOT (S (VP (VB ) (RB ) (VP (VB ) (PP (IN ) (NP (DT ) (NNS ))) (SBAR (IN ) (S (NP (EX )) (VP (VBZ ) (NP (JJ ) (JJ ) (NN )) (PP (IN ) (NP (NN ) (NN ))))))))))