A man is serving food at a stand that has graffiti on it.
A man has his own business.
A man may serve food at a stand without it being his own business.  He may be an employee.
exists e1 e2 x1 x2 x3 x4.(at(e1,x3) & on(e2,x1) & n_thing(x1) & Actor(e2,x4) & v_graffiti(e2) & (x3 = x4) & n_stand(x3) & Theme(e1,x2) & Actor(e1,x1) & v_serve(e1) & n_food(x2) & n_man(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_business(x2) & a_own(s1) & Theme(s1,x2) & of(x2,x1) & n_male(x1) & n_man(x1))