That friend had that slid forward because the grassy valley as finger than a addition Quechua .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 That) (NN_2 friend)) (VP_4 (VBD_0 had) (SBAR_0 (WHNP_0 (WDT_0 that)) (S_2 (VP_0 (ATVP_4 (VBD_2 slid) (PP_2 (ATPP_0 (ADVP_0 (RB_0 forward)) (IN_2 because)) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 grassy)) (NN_1 valley)))) (PP_2 (IN_0 as) (NP_3 (NP_5 (NN_3 finger)) (PP_0 (IN_1 than) (NP_2 (ATNP_0 (DT_0 a) (NN_3 addition)) (NNP_1 Quechua)))))))))) (DOT_0 .)))