The mouse cord lies under a white napkin.
The mouse cord is on top of a napkin.
On top contradicts under.
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 x1 x2.(n_cord(x1) & of(x1,x2) & n_mouse(x2) & exists x3 x4.(on(x1,x3) & of(x3,x4) & n_napkin(x4) & n_top(x3)))