aimed at mom and dad 's wallet 
(ROOT (S (VP (VBD aimed) (PP (IN at) (NP (NP (NN mom) (CC and) (NN dad) (POS 's)) (NN wallet))))))
(ROOT (S (VP (VBD ) (PP (IN ) (NP (NP (NN ) (CC ) (NN ) (POS )) (NN ))))))