The cowboy is falling off a bucking bull.
A cowboy and a bull.
the bull is bucking an the cowboy i falling as a result
exists e1 s1 x1 x2 x3.(n_cowboy(x1) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_bull(x2) & of(x2,x3) & n_bucking(x3))
exists s1 x1 x2.(a_topic(s1) & subset_of(x2,s1) & n_bull(x2) & subset_of(x1,s1) & n_cowboy(x1))