A man and a woman looking at a baby.
Two people see a baby.
A man and a woman are two people, and if they see a baby then they must be looking at it.
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.(Theme(e1,x2) & Actor(e1,x1) & v_see(e1) & n_baby(x2) & n_people(x1) & card_eq_2(x1))