Children are back in their classrooms enjoying the fun of renewing friendships and activities interrupted by summer vacation.
( Children ( ( ( are ( back ( in ( their classrooms ) ) ) ) ( enjoying ( ( the fun ) ( of ( renewing ( ( ( friendships and ) activities ) ( interrupted ( by ( summer vacation ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Children)) (VP (VBP are) (ADVP (RB back) (PP (IN in) (NP (PRP$ their) (NNS classrooms)))) (VP (VBG enjoying) (NP (NP (DT the) (NN fun)) (PP (IN of) (S (VP (VBG renewing) (NP (NP (NNS friendships) (CC and) (NNS activities)) (VP (VBN interrupted) (PP (IN by) (NP (NN summer) (NN vacation))))))))))) (. .)))
After summer vacation, children are back in their classrooms having fun.
( ( After ( summer vacation ) ) ( , ( children ( ( are ( ( back ( in ( their classrooms ) ) ) ( having fun ) ) ) . ) ) ) )
(ROOT (S (PP (IN After) (NP (NN summer) (NN vacation))) (, ,) (NP (NNS children)) (VP (VBP are) (VP (ADVP (RB back) (PP (IN in) (NP (PRP$ their) (NNS classrooms)))) (VBG having) (NP (NN fun)))) (. .)))