Num {vetus ille Cato} [lacessisse] conscius non erat ipse sibi?
N old-M-S-NOM that-M-S-NOM Cato-M-S-NOM provoke-INFIN-PERF aware-M-S-NOM not be-3-S-IMPERF INTENSIF-M-S-NOM ANA-DAT
Surely that famous old Cato wasn't himself unaware that he provoked [people] , was he?