A man rides a bucking bull in a rodeo, with one hand in the air.
A man is in riding a bull surrounded by people.
Bucking a bull is the same as riding a bull.
exists e2 e1 x1 x2 x3 x4 x5.(n_air(x5) & with(e2,x4) & in(x4,x5) & n_hand(x4) & card_eq_1(x4) & Theme(e2,x2) & Actor(e2,x1) & v_ride(e2) & in(x2,x3) & n_rodeo(x3) & n_bull(x2) & Actor(e1,x2) & v_buck(e1) & n_man(x1))
exists p1 x1.(exists e2 e1 x2 x3 x4 x5.(in(x1,e2) & Theme(e2,x3) & Actor(e2,x2) & v_ride(e2) & Actor(e1,x5) & n_people(x5) & Theme(e1,x4) & v_surround(e1) & (x3 = x4) & n_bull(x3)) & n_man(x1))