( ( ( ( ( ( Introducing ( OXY ( TODDY Oxygen ) ) ) ( is ( Life ( You ( can ( go ( without ( food ( for ( ( days , ) ( water ( for hours ) ) ) ) ) ) ) ) ) ) ) ) , ) but ) ( ( if ( you ( are ( denied ( oxygen ( for ( ( only ( a few ) ) minutes ) ) ) ) ) ) ) ( you ( ( ca n't ) survive ) ) ) ) . )
(ROOT (S (S (NP (NNP Introducing) (NNP OXY) (NNP TODDY) (NNP Oxygen)) (VP (VBZ is) (NP (NP (NNP Life)) (SBAR (S (NP (PRP You)) (VP (MD can) (VP (VB go) (PP (IN without) (NP (NP (NN food)) (PP (IN for) (NP (NP (NNS days)) (, ,) (NP (NP (NN water)) (PP (IN for) (NP (NNS hours))))))))))))))) (, ,) (CC but) (S (SBAR (IN if) (S (NP (PRP you)) (VP (VBP are) (VP (VBN denied) (NP (NP (NN oxygen)) (PP (IN for) (NP (QP (RB only) (DT a) (JJ few)) (NNS minutes)))))))) (NP (PRP you)) (VP (MD ca) (RB n't) (VP (VB survive)))) (. .)))
Introducing OXY TODDY Oxygen is Life You can go without food for days, water for hours, but if you are denied oxygen for only a few minutes you can't survive.
(ROOT (S (NP (JJS Most) (NNS people)) (VP (MD can) (VP (VB survive) (NP (QP (RB only) (DT a) (JJ few)) (NNS days)) (PP (IN without) (NP (NN water))))) (. .)))