They move off missing warm arm seat .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (ATVP_0 (VB_0 move) (PRT_0 (RP_0 off))) (NP_6 (ATNP_1 (ATNP_0 (JJ_0 missing) (JJ_1 warm)) (NN_0 arm)) (NN_1 seat)))) (DOT_0 .)))