A woman rides a horse near a frozen lake in the winter time.
The horse is a purebred Scottsdale.
We can't tell the breed; it may not be a purebred Scottsdale.
exists e1 s1 x1 x2 x3 x4 x5.(n_time(x4) & of(x4,x5) & n_winter(x5) & in(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & near(x2,x3) & n_lake(x3) & a_frozen(s1) & Theme(s1,x3) & n_horse(x2) & n_woman(x1))
exists p1 x1.(n_horse(x1) & exists s1 x2.((x1 = x2) & n_scottsdale(x2) & a_purebred(s1) & Theme(s1,x2)))