shaking months over the friend was mattered .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_6 (VBG_0 shaking) (NNS_0 months)) (PP_0 (IN_1 over) (NP_5 (DT_0 the) (NN_2 friend)))) (VP_4 (VBD_1 was) (VP_2 (VBN_0 mattered)))) (DOT_0 .)))