A man and a woman looking at a baby.
An adult is being watched by a couple.
an adult and a baby are not the same age
exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & at(e1,x4) & n_baby(x4) & Actor(e1,x3) & v_look(e1) & (x2 = x3) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 x1 x2.(Actor(e1,x2) & n_couple(x2) & Theme(e1,x1) & v_watch(e1) & n_adult(x1))