they should seriously fixed able back did an clouds and the halt .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_1 they)) (VP_4 (ATVP_1 (MD_0 should) (ADVP_0 (RB_0 seriously))) (VP_5 (VBD_1 fixed) (NP_1 (ATNP_0 (JJ_0 able) (JJ_1 back)) (S_2 (VP_0 (ATVP_1 (VP_5 (VBD_0 did) (NP_6 (DT_0 an) (NNS_1 clouds))) (CC_0 and)) (NP_5 (DT_0 the) (NN_2 halt)))))))) (DOT_0 .)))