with little back packs of their own and you know things like that
( with ( ( ( little ( back ( packs ( of ( their own ) ) ) ) ) and ) ( you ( know ( things ( like that ) ) ) ) ) )
(ROOT (SBAR (IN with) (S (S (NP (RB little)) (ADVP (RB back)) (VP (VBZ packs) (PP (IN of) (NP (PRP$ their) (JJ own))))) (CC and) (S (NP (PRP you)) (VP (VBP know) (NP (NP (NNS things)) (PP (IN like) (NP (DT that)))))))))
I'm not sure they're old enough to have back packs.
( I ( ( ( 'm not ) ( sure ( they ( 're ( ( old enough ) ( to ( have ( back packs ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP 'm) (RB not) (ADJP (JJ sure) (SBAR (S (NP (PRP they)) (VP (VBP 're) (ADJP (JJ old) (RB enough) (S (VP (TO to) (VP (VB have) (NP (JJ back) (NNS packs))))))))))) (. .)))