A man rides a bucking horse in a rodeo.
A man is riding an animal.
The man is riding a bucking horse so the man must be riding an animal.
exists e2 e1 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_ride(e2) & in(x2,x3) & n_rodeo(x3) & n_horse(x2) & Actor(e1,x2) & v_buck(e1) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_animal(x2) & n_man(x1))