Two men fighting at an MMA event.
George and Bill were fighting at the MMA event.
Two men name are George and Bill.
exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x3) & n_event(x3) & (x3 = x4) & ne_org_mma(x4) & Actor(e1,x2) & v_fight(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4 x5.(n_event(x4) & (x4 = x5) & ne_org_mma(x5) & ne_per_bill(x3) & ne_per_george(x2) & at(e1,x4) & Actor(e1,x1) & v_fight(e1) & subset_of(x3,x1) & subset_of(x2,x1))