The couple is looking at something.
A couple are staring into each others' eyes about to kiss.
couple looking at something does not imply they are staring at each other's eyes and about to kiss.
exists e1 x1 x2.(n_couple(x1) & at(e1,x2) & n_thing(x2) & Actor(e1,x1) & v_look(e1))
exists e1 x1.(all x2 x3.((n_eye(x3) & of(x3,x2) & -(x2 = x1) & n_person(x2)) -> exists e2 p1 x4.(into(e1,x3) & Topic(e2,p1) & Actor(e2,x4) & v_about(e2) & exists e3.(Actor(e3,x4) & v_kiss(e3)) & (x3 = x4))) & n_person(x1) & Actor(e1,x1) & v_stare(e1) & n_couple(x1))