An older man in a blue hat sitting on a sidewalk.
A baby is being born.
An older man can never be a baby being born.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & on(e1,x4) & n_sidewalk(x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_hat(x2) & a_blue(s2) & Theme(s2,x2) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 x1.(Theme(e1,x1) & v_bear(e1) & n_baby(x1))