According to Vygotsky, children's greatest self-control occurs during make-believe play.
( ( According ( to Vygotsky ) ) ( , ( ( ( children 's ) ( greatest self-control ) ) ( ( occurs ( during ( make-believe play ) ) ) . ) ) ) )
(ROOT (S (PP (VBG According) (PP (TO to) (NP (NNP Vygotsky)))) (, ,) (NP (NP (NNS children) (POS 's)) (JJS greatest) (NN self-control)) (VP (VBZ occurs) (PP (IN during) (NP (JJ make-believe) (NN play)))) (. .)))
Imaginary play requires great self-control for children to accept conditions that are pretend.
( ( Imaginary play ) ( ( ( ( requires ( great self-control ) ) ( for children ) ) ( to ( accept ( conditions ( that ( are pretend ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Imaginary) (NN play)) (VP (VBZ requires) (NP (JJ great) (NN self-control)) (PP (IN for) (NP (NNS children))) (S (VP (TO to) (VP (VB accept) (NP (NP (NNS conditions)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (ADJP (JJ pretend)))))))))) (. .)))