( ( Many birds ) ( ( migrate ( to ( where ( they ( can ( ( find food ) ( for ( the ( winter months ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Many) (NNS birds)) (VP (VB migrate) (PP (TO to) (SBAR (WHADVP (WRB where)) (S (NP (PRP they)) (VP (MD can) (VP (VB find) (NP (NN food)) (PP (IN for) (NP (DT the) (NN winter) (NNS months))))))))) (. .)))
Many birds migrate to where they can find food for the winter months.
(ROOT (S (NP (NP (JJ Many) (NNS species)) (PP (IN of) (NP (NP (NNS birds)) (PP (IN in) (NP (JJ new) (NN england)))))) (VP (VBP fly) (ADVP (RB south) (PP (IN for) (NP (DT the) (NN winter) (NNS months)))) (S (VP (TO to) (VP (VB find) (NP (DT an) (NN environment)) (PP (IN with) (NP (JJR more) (NN food))))))) (. .)))