A rodeo rider takes a tumble as a bull rampages.
A rodeo rider is trying to win a contest.
The rider may not be trying to win and he may not even be in a contest.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & as(x3,x4) & n_rampage(x4) & of(x4,x5) & n_bull(x5) & n_tumble(x3) & n_rider(x1) & of(x1,x2) & n_rodeo(x2))
exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_win(e2) & n_contest(x3)) & n_rider(x1) & of(x1,x2) & n_rodeo(x2))