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(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_0 (DT_0 a) (NN_3 none)) (S_2 (VP_0 (ATVP_4 (VBD_2 meant) (NP_1 (PRP_0 him))) (SBAR_0 (S_1 (NP_0 (NNP_0 Today)) (VP_5 (VBD_2 used) (S_2 (VP_0 (ATVP_0 (VB_0 come) (PRT_0 (RP_0 up))) (NP_2 (CD_0 four) (NNS_0 calculations)))))))))) (VP_4 (ATVP_1 (VBD_1 did) (RB_1 later)) (VP_5 (VBD_1 asked) (NP_3 (NN_0 light) (NNS_1 clouds))))) (DOT_0 .)))