(S (S (BASENP (NN Budget) (NNS constraints)) (VP (MD would) (VP (VB lead) (S (BASENP (NNS families)) (VP (TO to) (VP (VB purchase) (NP (BASENP (JJR more) (NN grain) (NNS products)) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (ADJP (ADJP (JJR cheaper)) (PP (IN than) (NP (NP (BASENP (NN meat)) (COMMA ,) (BASENP (JJ dairy) (NNS products))) (CONJP (COMMA ,) (CC and)) (NP (BASENP (JJ other) (NNS foods)) (ADJP (JJ rich) (PP (IN in) (BASENP (NN protein)))))))))))))))))) (PERIOD .))