2 rodeo riders on horses chasing a bull
The bull is chasing 2 rodeo riders.
They cannot be chasing a bull and being chased by a bull simultaneously.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x3) & Theme(e1,x5) & Actor(e1,x4) & v_chase(e1) & n_bull(x5) & (x3 = x4) & n_horse(x3) & n_rider(x1) & of(x1,x2) & n_rodeo(x2) & n_date(x1) & a_date_day_02(x1) & a_date_day_02(x1))
exists e1 x1 x2 x3.(n_bull(x1) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_rider(x2) & of(x2,x3) & n_rodeo(x3) & n_date(x2) & a_date_day_02(x2) & a_date_day_02(x2))