A uniformed man stands along side a brick wall.
The casually dressed man sits against the brick wall.
There can be only a uniformed man who stands or the casually dressed man who sits, not both.
exists e1 s1 x1.(all x3 x2.((n_wall(x2) & of(x2,x3) & n_brick(x3)) -> exists x4.(along(e1,x4) & for(x4,x2) & n_side(x4))) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & a_uniformed(s1) & Theme(s1,x1))
exists e1 e2 x1 x2 x3.(n_wall(x2) & of(x2,x3) & n_brick(x3) & n_man(x1) & Theme(e1,x1) & v_dress(e1) & r_casually(x1) & against(e2,x2) & Actor(e2,x1) & v_sit(e2))