A man and a woman are kissing in a crowded street.
A lady and a gentleman are outside.
A man is not necessarily a gentleman.
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_street(x4) & a_crowded(s1) & Theme(s1,x4) & Actor(e1,x1) & v_kiss(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists s1 x1 x2 x3.(Theme(s1,x1) & a_outside(s1) & subset_of(x3,x1) & n_gentleman(x3) & subset_of(x2,x1) & n_lady(x2))