A man kisses the neck of a woman sitting on his lap.
A man is with his significant other.
A woman with a man is not necessarily his significant other.
exists e1 e2 x1 x2 x3 x4 x5.(n_lap(x5) & of(x5,x2) & n_male(x2) & n_neck(x2) & Theme(e2,x2) & Actor(e2,x1) & v_kiss(e2) & of(x2,x3) & on(e1,x5) & Actor(e1,x4) & v_sit(e1) & (x3 = x4) & n_woman(x3) & n_man(x1))
exists p1 s1 x1 x2.(with(x1,x2) & n_other(x2) & a_significant(s1) & Theme(s1,x2) & of(x2,x1) & n_male(x1) & n_man(x1))