( ( The ( polar ( marine climate ) ) ) ( ( means ( ( ( long ( , ( cold winters ) ) ) and ) ( short ( , ( cool summers ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ polar) (JJ marine) (NN climate)) (VP (VBZ means) (NP (NP (JJ long) (, ,) (JJ cold) (NNS winters)) (CC and) (NP (JJ short) (, ,) (JJ cool) (NNS summers)))) (. .)))
The polar marine climate means long, cold winters and short, cool summers.
(ROOT (S (S (VP (VBN Exemplified) (PP (IN by) (NP (NN canada) (CC and) (NN alaska))))) (, ,) (NP (DT a) (JJ subarctic) (NN climate)) (VP (VBZ has) (NP (NP (JJ cool) (, ,) (JJ short) (NNS summers)) (CC and) (ADVP (RB long)) (, ,) (NP (JJ cold) (NNS winters)) (, ,) (NP (JJ little) (NN precipitation)) (, ,) (CC and) (NP (JJ abundant) (NNS conifers)))) (. .)))