In reviewing this history, it's important to make some crucial distinctions.
( ( In ( reviewing ( this history ) ) ) ( , ( it ( ( 's ( important ( to ( make ( some ( crucial distinctions ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (S (VP (VBG reviewing) (NP (DT this) (NN history))))) (, ,) (NP (PRP it)) (VP (VBZ 's) (ADJP (JJ important) (S (VP (TO to) (VP (VB make) (NP (DT some) (JJ crucial) (NNS distinctions))))))) (. .)))
Mistakes can be made when taking historical events out of context.
( Mistakes ( ( can ( be ( made ( when ( ( ( taking ( historical events ) ) out ) ( of context ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Mistakes)) (VP (MD can) (VP (VB be) (VP (VBN made) (SBAR (WHADVP (WRB when)) (S (VP (VBG taking) (NP (JJ historical) (NNS events)) (PRT (RP out)) (PP (IN of) (NP (NN context))))))))) (. .)))