Man wearing a balloon hat standing near children.
A man without a hat is with his son.
A man without a hat cannot be wearing a hat.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & near(x3,x6) & n_child(x6) & n_standing(x3) & of(x3,x5) & n_hat(x5) & of(x3,x4) & n_balloon(x4) & (x1 = x2) & n_man(x1))
exists p1 x1 x3.(with(x1,x3) & n_son(x3) & of(x3,x1) & n_male(x1) & -exists x2.(with(x1,x2) & n_hat(x2)) & n_man(x1))