she are But his knees now used ?
(ROOT_0 (S_0 (ATS_3 (ATS_4 (S_1 (NP_0 (PRP_1 she)) (VP_5 (VBP_0 are))) (CC_0 But)) (S_1 (NP_0 (PRPDOLLAR_0 his) (NNS_0 knees)) (VP_5 (ADVP_0 (RB_0 now)) (VBN_0 used)))) (DOT_0 ?)))