A man is surfing and fishing at the same time.
A woman sun bathing on the beach.
one is a man surfing and fishing while the other is a  woman sun bathing
exists e1 s1 x1 x2 x3.(n_time(x3) & a_same(s1) & Theme(s1,x3) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_surf(e1) & n_fishing(x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(n_beach(x4) & a_topic(x1) & on(e1,x4) & Actor(e1,x3) & v_bath(e1) & (x1 = x3) & n_sun(x1) & of(x1,x2) & n_woman(x2))