A man is on a horse in front of an audience.
A man is bullfighting.
A man is either on a horse or bullfighting.
exists p1 x1.(exists x2 x3 x4.(on(x1,x2) & in(x2,x3) & of(x3,x4) & n_audience(x4) & n_front(x3) & n_horse(x2)) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_bullfight(e1) & n_man(x1))