( ( The climate ) ( ( is ( considered ( to ( be ( humid ( continental ( with ( ( ( long ( cold winters ) ) and ) ( ( short summers ) ( which ( tend ( to ( be ( cool ( to warm ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN climate)) (VP (VBZ is) (VP (VBN considered) (S (VP (TO to) (VP (VB be) (ADJP (RB humid) (JJ continental) (PP (IN with) (NP (NP (JJ long) (JJ cold) (NNS winters)) (CC and) (NP (NP (JJ short) (NNS summers)) (SBAR (WHNP (WDT which)) (S (VP (VBP tend) (S (VP (TO to) (VP (VB be) (ADJP (JJ cool) (S (VP (TO to) (VP (VB warm)))))))))))))))))))) (. .)))
The climate is considered to be humid continental with long cold winters and short summers which tend to be cool to warm.
(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)))) (. .)))