( ( Freshwater lakes ) ( ( may ( freeze ( in mid-October ) ) ) . ) )
(ROOT (S (NP (NNP Freshwater) (NNS lakes)) (VP (MD may) (VP (VB freeze) (PP (IN in) (NP (NNP mid-October))))) (. .)))
Freshwater lakes may freeze in mid-October.
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (NP (DT the) (NN earth) (POS 's)) (NN freshwater)))) (VP (VBZ is) (PP (IN in) (NP (NP (DT the) (NN form)) (PP (IN of) (ADJP (JJ frozen)))))) (. .)))