A man is riding a horse as people watch.
A man is showing off his horse to judges
Just because a man is riding a horse in front of people, it does not necessarily mean he is showing off.
exists e2 e1 x1 x2 x3 x4 x5.(Theme(e2,x5) & Actor(e2,x1) & v_watch(e2) & n_thing(x5) & as(x1,x4) & n_people(x4) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_horse(x3) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_show(e1) & to(x2,x3) & n_judge(x3) & n_horse(x2) & of(x2,x1) & n_male(x1) & n_man(x1))