A man rides a horse in a parade.
Someone is in a stable with a horse.
A horse is either in a stable or a parade, not both.
exists e1 x1 x2 x3.(in(e1,x3) & n_parade(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_horse(x2) & n_man(x1))
exists p1 x1.(exists s1 x2 x3 x4.(in(x1,x2) & with(s1,x4) & n_horse(x4) & Theme(s1,x3) & a_stable(s1) & (x2 = x3) & n_a(x2)) & n_person(x1))