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 was interested only in the items he saw were colorful. 
( Ricky ( ( was ( ( interested only ) ( in ( ( the items ) ( he ( saw ( were colorful ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Ricky)) (VP (VBD was) (VP (JJ interested) (ADVP (RB only)) (PP (IN in) (NP (NP (DT the) (NNS items)) (SBAR (S (NP (PRP he)) (VP (VBD saw) (SBAR (S (VP (VBD were) (ADJP (JJ colorful)))))))))))) (. .)))