An overweight man is playing soccer.
the man is on a diet
It is not necessary that he is on diet since playing soccer.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_soccer(x2) & n_man(x1) & a_overweight(s1) & Theme(s1,x1))
exists p1 x1.(n_man(x1) & exists x2.(on(x1,x2) & n_diet(x2)))