she felt lower Plus higher rattle , to .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 she)) (VP_4 (ATVP_3 (ATVP_2 (ATVP_0 (VBD_2 felt) (ADVP_0 (ATADVP_6 (JJR_0 lower) (CC_0 Plus)) (JJR_0 higher))) (VP_1 (VB_0 rattle))) (COMMA_0 ,)) (S_2 (TO_0 to)))) (DOT_0 .)))