A man in a red plaid shirt is riding a horse in rodeo show.
The man is horse riding to win a prize.
The man in the red plaid shirt doesn't necessarily need to be riding for a prize just because he's on a horse in a rodeo show.
exists e1 s1 x1 x2 x3 x4 x5 x6.(in(e1,x5) & n_show(x5) & of(x5,x6) & n_rodeo(x6) & Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & n_horse(x4) & in(x1,x2) & n_shirt(x2) & of(x2,x3) & n_plaid(x3) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists p2 x2 x3.((x1 = x2) & Topic(x2,p2) & exists e1 x4.(Theme(e1,x4) & Actor(e1,x2) & v_win(e1) & n_prize(x4)) & n_riding(x2) & of(x2,x3) & n_horse(x3)))