A man in gray shirt sitting near a woman.
A man and his wife are sitting on a couch.
Just because the man and woman are sitting together it does not mean the woman is his wife
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & near(e1,x4) & n_woman(x4) & Actor(e1,x3) & v_sit(e1) & (x1 = x3) & in(x1,x2) & n_shirt(x2) & a_gray(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(on(e1,x4) & n_couch(x4) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & n_wife(x3) & of(x3,x2) & n_male(x2) & subset_of(x2,x1) & n_man(x2))