Around age 2, children begin to pretend with less realistic toys, such as a block for a telephone.
( ( Around ( age 2 ) ) ( , ( children ( ( begin ( to ( pretend ( with ( ( ( ( less realistic ) toys ) , ) ( such ( as ( ( a block ) ( for ( a telephone ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Around) (NP (NN age) (CD 2))) (, ,) (NP (NNS children)) (VP (VBP begin) (S (VP (TO to) (VP (VB pretend) (PP (IN with) (NP (NP (ADJP (RBR less) (JJ realistic)) (NNS toys)) (, ,) (PP (JJ such) (IN as) (NP (NP (DT a) (NN block)) (PP (IN for) (NP (DT a) (NN telephone))))))))))) (. .)))
At roughly age 3, children start using toys that are less realistic.
( ( At ( roughly ( age 3 ) ) ) ( , ( children ( ( start ( using ( toys ( that ( are ( less realistic ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN At) (NP (QP (RB roughly) (CD age) (CD 3)))) (, ,) (NP (NNS children)) (VP (VBP start) (S (VP (VBG using) (NP (NP (NNS toys)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (ADJP (RBR less) (JJ realistic))))))))) (. .)))