A man in the park catching frisbees.
The man plays frisbee with his son.
Not all man in the park catching frisbees plays frisbee with his son.
exists e1 x1 x2 x3 x4.(n_park(x2) & a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_catch(e1) & n_frisbee(x4) & (x2 = x3) & n_man(x1))
exists e1 x1 x2 x3.(n_son(x3) & of(x3,x1) & n_male(x1) & n_man(x1) & with(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_frisbee(x2))