When 3- and 4-year-olds use their newfound capacity to talk about mental states during play with friends, their understanding of false belief improves further.
( ( When ( ( ( ( 3 - ) and ) 4-year-olds ) ( ( use ( their ( newfound capacity ) ) ) ( to ( ( talk ( about ( mental states ) ) ) ( during ( play ( with friends ) ) ) ) ) ) ) ) ( , ( ( ( their understanding ) ( of ( false belief ) ) ) ( ( improves further ) . ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NP (CD 3)) (: -) (CC and) (NP (JJ 4-year-olds))) (VP (VBP use) (NP (PRP$ their) (JJ newfound) (NN capacity)) (S (VP (TO to) (VP (VB talk) (PP (IN about) (NP (JJ mental) (NNS states))) (PP (IN during) (NP (NP (NN play)) (PP (IN with) (NP (NNS friends))))))))))) (, ,) (NP (NP (PRP$ their) (NN understanding)) (PP (IN of) (NP (JJ false) (NN belief)))) (VP (VBZ improves) (ADVP (RBR further))) (. .)))
Children don't like false belief because it is wrong.
( Children ( ( ( do n't ) ( ( like ( false belief ) ) ( because ( it ( is wrong ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Children)) (VP (VBP do) (RB n't) (VP (VB like) (NP (JJ false) (NN belief)) (SBAR (IN because) (S (NP (PRP it)) (VP (VBZ is) (ADJP (JJ wrong))))))) (. .)))