An astute mother I observed in the grocery store had her 3-year-old son, Ricky, reach for items on the shelf and put them in the cart.
( ( ( An ( astute mother ) ) ( I ( observed ( in ( the ( grocery store ) ) ) ) ) ) ( ( had ( ( ( ( ( her ( 3-year-old son ) ) , ) Ricky ) , ) ( ( ( reach ( for ( items ( on ( the shelf ) ) ) ) ) and ) ( ( put them ) ( in ( the cart ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT An) (JJ astute) (NN mother)) (SBAR (S (NP (PRP I)) (VP (VBD observed) (PP (IN in) (NP (DT the) (NN grocery) (NN store))))))) (VP (VBD had) (S (NP (NP (PRP$ her) (JJ 3-year-old) (NN son)) (, ,) (NP (NNP Ricky)) (, ,)) (VP (VP (VB reach) (PP (IN for) (NP (NP (NNS items)) (PP (IN on) (NP (DT the) (NN shelf)))))) (CC and) (VP (VB put) (NP (PRP them)) (PP (IN in) (NP (DT the) (NN cart))))))) (. .)))
Ricky reached for groceries and put it into his mother's cart. 
( Ricky ( ( ( ( reached ( for groceries ) ) and ) ( ( put it ) ( into ( ( his ( mother 's ) ) cart ) ) ) ) . ) )
(ROOT (S (NP (NNP Ricky)) (VP (VP (VBD reached) (PP (IN for) (NP (NNS groceries)))) (CC and) (VP (VBD put) (NP (PRP it)) (PP (IN into) (NP (NP (PRP$ his) (NN mother) (POS 's)) (NN cart))))) (. .)))