A man is kissing a woman while they are sitting on a cement ledge.
A man is sitting on a cement ledge
Just because a man is kissing a woman on a ledge doesn't mean its the same ledge.
exists e1 p1 x1 x2.(exists e2 x3 x4.(on(e2,x3) & n_ledge(x3) & of(x3,x4) & n_cement(x4) & Actor(e2,x1) & v_sit(e2)) & n_thing(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_kiss(e1) & n_woman(x2) & n_man(x1))
exists e1 x1 x2 x3.(on(e1,x2) & n_ledge(x2) & of(x2,x3) & n_cement(x3) & Actor(e1,x1) & v_sit(e1) & n_man(x1))