that a nightmare is a wish a studio 's wallet makes 
(ROOT (SBAR (IN that) (S (NP (DT a) (NN nightmare)) (VP (VBZ is) (NP (NP (DT a) (NN wish)) (SBAR (S (NP (NP (DT a) (NN studio) (POS 's)) (NN wallet)) (VP (VBZ makes)))))))))
(ROOT (SBAR (IN ) (S (NP (DT ) (NN )) (VP (VBZ ) (NP (NP (DT ) (NN )) (SBAR (S (NP (NP (DT ) (NN ) (POS )) (NN )) (VP (VBZ )))))))))