When parents do make an eort, preschoolers watch less TV, find educational programs more appealing, and more often view shows with their parents.
( ( When ( parents ( do ( make ( an eort ) ) ) ) ) ( , ( preschoolers ( ( ( ( ( ( ( ( watch ( less TV ) ) , ) ( find ( ( educational programs ) ( more appealing ) ) ) ) , ) and ) ( more often ) ) ( ( view shows ) ( with ( their parents ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NNS parents)) (VP (VBP do) (VP (VB make) (NP (DT an) (NN eort)))))) (, ,) (NP (NNS preschoolers)) (VP (VP (VBP watch) (NP (JJR less) (NN TV))) (, ,) (VP (VBP find) (S (NP (JJ educational) (NNS programs)) (ADJP (RBR more) (JJ appealing)))) (, ,) (CC and) (ADVP (RBR more) (RB often)) (VP (VBP view) (NP (NNS shows)) (PP (IN with) (NP (PRP$ their) (NNS parents))))) (. .)))
Preschoolers don't know what TV is.
( Preschoolers ( ( ( do n't ) ( know ( what ( TV is ) ) ) ) . ) )
(ROOT (S (NP (NNS Preschoolers)) (VP (VBP do) (RB n't) (VP (VB know) (SBAR (WHNP (WP what)) (S (NP (NNP TV)) (VP (VBZ is)))))) (. .)))