this was They , it would rattle .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_0 (S_1 (NP_0 (DT_1 this)) (VP_5 (VBD_1 was) (NP_1 (PRP_0 They)))) (COMMA_0 ,)) (NP_0 (PRP_1 it))) (VP_3 (MD_0 would) (VP_1 (VB_0 rattle)))) (DOT_0 .)))