The mouse cord lies under a white napkin.
The black mouse cord is under a white napkin.
we cannot just say that the mouse cord is lying under a white napkin when the black mouse cord is lying
exists e1 s1 x1 x2 x3.(n_cord(x1) & of(x1,x2) & n_mouse(x2) & under(e1,x3) & n_napkin(x3) & a_white(s1) & Theme(s1,x3) & Actor(e1,x1) & v_lie(e1))
exists p1 s1 x1 x2.(n_cord(x1) & of(x1,x2) & n_mouse(x2) & a_black(s1) & Theme(s1,x1) & exists s2 x3.(under(x1,x3) & n_napkin(x3) & a_white(s2) & Theme(s2,x3)))