( ( When ( ( the story ) ( is ( centered ( during winter ) ) ) ) ) ( , ( ( the story-tellers ) ( ( will ( ( use ( the forces ) ) ( in ( nature ( such ( as ( ( ( ( ( ( ( ( the snow ) , ) ( wind storms ) ) , ) blizzards ) , ) and ) ( the ice ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (DT the) (NN story)) (VP (VBZ is) (VP (VBN centered) (PP (IN during) (NP (NN winter))))))) (, ,) (NP (DT the) (NNS story-tellers)) (VP (MD will) (VP (VB use) (NP (DT the) (NNS forces)) (PP (IN in) (NP (NP (NN nature)) (PP (JJ such) (IN as) (NP (NP (DT the) (NN snow)) (, ,) (NP (NN wind) (NNS storms)) (, ,) (NP (NNS blizzards)) (, ,) (CC and) (NP (DT the) (NN ice)))))))) (. .)))
When the story is centered during winter, the story-tellers will use the forces in nature such as the snow, wind storms, blizzards, and the ice.
(ROOT (S (NP (DT A) (NN winter) (NN storm)) (VP (VBZ is) (VP (VBN called) (NP (DT a) (NN blizzard)))) (. .)))