A black guy in a apron grilling cornstalks.
A black guy is not very good at cooking.
He may actually be excellent at cooking.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_grill(e1) & n_cornstalk(x4) & (x2 = x3) & n_apron(x2) & n_guy(x1) & a_black(s1) & Theme(s1,x1))
exists s1 x1.(-exists s2 x2.(at(s2,x2) & n_cooking(x2) & r_very(s2) & Theme(s2,x1) & a_good(s2)) & n_guy(x1) & a_black(s1) & Theme(s1,x1))