Indeed, if you watch preschoolers at play, you will see that they rarely violate the rules of their social world.
( Indeed ( , ( ( if ( you ( ( watch preschoolers ) ( at play ) ) ) ) ( , ( you ( ( will ( see ( that ( they ( rarely ( violate ( ( the rules ) ( of ( their ( social world ) ) ) ) ) ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (ADVP (RB Indeed)) (, ,) (SBAR (IN if) (S (NP (PRP you)) (VP (VBP watch) (NP (NNS preschoolers)) (PP (IN at) (NP (NN play)))))) (, ,) (NP (PRP you)) (VP (MD will) (VP (VB see) (SBAR (IN that) (S (NP (PRP they)) (ADVP (RB rarely)) (VP (VBP violate) (NP (NP (DT the) (NNS rules)) (PP (IN of) (NP (PRP$ their) (JJ social) (NN world))))))))) (. .)))
Preschoolers often violate social rules because they don't know any better at that young an age.
( Preschoolers ( often ( ( ( violate ( social rules ) ) ( because ( they ( ( do n't ) ( know ( any ( ( better ( at ( that ( young an ) ) ) ) age ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NNS Preschoolers)) (ADVP (RB often)) (VP (VBP violate) (NP (JJ social) (NNS rules)) (SBAR (IN because) (S (NP (PRP they)) (VP (VBP do) (RB n't) (VP (VB know) (NP (DT any) (ADJP (JJR better) (PP (IN at) (NP (DT that) (JJ young) (DT an)))) (NN age))))))) (. .)))