A man does tricks with a skateboard off the front of a building.
A woman does tricks with a skateboard off the front of a building.
A man doing tricks cannot be a woman.
exists e1 x1 x2 x3 x4 x5.(n_front(x4) & with(e1,x3) & off(x3,x4) & of(x4,x5) & n_building(x5) & n_skateboard(x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_trick(x2) & n_man(x1))
exists e1 x1 x2 x3 x4 x5.(n_front(x4) & with(e1,x3) & off(x3,x4) & of(x4,x5) & n_building(x5) & n_skateboard(x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_trick(x2) & n_woman(x1))