A Canadian police officer walks on his horse along the beach.
THe officer is british
The officer can't be Canadian and British at the same time.
exists e1 s1 x1 x2 x3 x4.(n_beach(x4) & on(e1,x3) & along(x3,x4) & n_horse(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x1) & v_walk(e1) & n_officer(x1) & of(x1,x2) & n_police(x2) & a_canadian(s1) & Theme(s1,x1))
exists s1 x1 x2.(Theme(s1,x1) & a_british(s1) & n_officer(x1) & (x1 = x2) & ne_nam_the(x2))