hardly our eyes even could tell .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_1 (ADVP_0 (RB_0 hardly)) (NP_0 (PRPDOLLAR_0 our) (NNS_0 eyes))) (ADVP_0 (RB_0 even))) (VP_3 (MD_0 could) (VP_1 (VB_0 tell)))) (DOT_0 .)))