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))))))))) (. .)))
About 10 percent of preschoolers appear to violate social rules when playing.
( ( ( ( About 10 ) percent ) ( of preschoolers ) ) ( ( appear ( to ( ( violate ( social rules ) ) ( when playing ) ) ) ) . ) )
(ROOT (S (NP (NP (QP (RB About) (CD 10)) (NN percent)) (PP (IN of) (NP (NNS preschoolers)))) (VP (VBP appear) (S (VP (TO to) (VP (VB violate) (NP (JJ social) (NNS rules)) (SBAR (WHADVP (WRB when)) (S (VP (VBG playing)))))))) (. .)))