A cowboy faces off with a bull in front of many onlookers at a rodeo.
A CLOWN IS RIDING A BULL
The person cannot simultaneously facing off with and RIDING a bull
exists e1 s1 x1 x2 x3 x4 x5 x6.(with(e1,x3) & in(x3,x4) & at(x4,x6) & n_rodeo(x6) & of(x4,x5) & n_onlooker(x5) & n_quantity(x5) & n_front(x4) & n_bull(x3) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_face(e1) & n_thing(x2) & n_cowboy(x1))
exists s1 x1 x2 x3 x4.(a_topic(s1) & ne_nam_bull(s1) & (s1 = x4) & ne_nam_a(x4) & (s1 = x3) & ne_nam_riding(x3) & (s1 = x2) & ne_nam_is(x2) & (s1 = x1) & ne_nam_clown(x1))