It know When and below eight stars dropped out at classes .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (VBP_0 know) (SBAR_0 (WHADVP_0 (WRB_0 When)) (S_1 (ATS_1 (ATS_2 (CC_0 and) (ADVP_0 (RB_0 below))) (NP_0 (CD_0 eight) (NNS_0 stars))) (VP_3 (ATVP_3 (VBD_2 dropped) (PRT_0 (RP_0 out))) (PP_2 (IN_0 at) (NP_3 (NNS_1 classes)))))))) (DOT_0 .)))