After an adult describes and demonstrates some activity (for example, putting a teddy bear to bed), 1-year-olds who as yet have little language can easily reproduce the main steps in correct sequence with toys.
( ( After ( ( an adult ) ( ( describes and ) ( demonstrates ( ( some activity ) ( -LRB- ( ( for ( ( example , ) ( ( putting ( a ( teddy bear ) ) ) ( to bed ) ) ) ) -RRB- ) ) ) ) ) ) ) ( , ( ( 1-year-olds ( who ( ( as yet ) ( have ( little language ) ) ) ) ) ( ( ( can easily ) ( ( reproduce ( ( the ( main steps ) ) ( in ( correct sequence ) ) ) ) ( with toys ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN After) (S (NP (DT an) (NN adult)) (VP (VP (VBZ describes)) (CC and) (VP (VBZ demonstrates) (NP (NP (DT some) (NN activity)) (PRN (-LRB- -LRB-) (PP (IN for) (NP (NP (NN example)) (, ,) (VP (VBG putting) (NP (DT a) (JJ teddy) (NN bear)) (PP (TO to) (NP (NN bed)))))) (-RRB- -RRB-))))))) (, ,) (NP (NP (JJ 1-year-olds)) (SBAR (WHNP (WP who)) (S (ADVP (RB as) (RB yet)) (VP (VBP have) (NP (JJ little) (NN language)))))) (VP (MD can) (ADVP (RB easily)) (VP (VB reproduce) (NP (NP (DT the) (JJ main) (NNS steps)) (PP (IN in) (NP (JJ correct) (NN sequence)))) (PP (IN with) (NP (NNS toys))))) (. .)))
Young children have trouble reproducing the steps of an activity.
( ( Young children ) ( ( have ( trouble ( reproducing ( ( the steps ) ( of ( an activity ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Young) (NNS children)) (VP (VBP have) (NP (NP (NN trouble)) (VP (VBG reproducing) (NP (NP (DT the) (NNS steps)) (PP (IN of) (NP (DT an) (NN activity))))))) (. .)))