A woman smiling at a baby.
The baby is wearing a hat.
The baby might not be wearing a hat.
exists e1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_baby(x3) & Actor(e1,x2) & v_smile(e1) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2.(n_baby(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_hat(x2))