A man on horseback in a rodeo arena is trying to lasso a black calf.
A man is trying to win the blue ribbon at the rodeo.
Just because a man is trying to lasso a rodeo calf doesn't mean he is trying to win the blue ribbon.
exists e1 p1 x1 x2 x3 x4.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s1 x5.(Theme(e2,x5) & Actor(e2,x1) & v_lasso(e2) & n_calf(x5) & a_black(s1) & Theme(s1,x5)) & on(x1,x2) & in(x2,x3) & n_arena(x3) & of(x3,x4) & n_rodeo(x4) & n_horseback(x2) & n_man(x1))
exists e1 p1 s1 x1 x2 x3.(n_rodeo(x3) & n_ribbon(x2) & a_blue(s1) & Theme(s1,x2) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_win(e2) & at(x2,x3)) & n_man(x1))