A man barbecues chicken on a grill.
A man cooking a whole chicken outside.
A chicken can be cooked in pieces, and it does not have to be cooked outside.
exists e1 x1 x2 x3.(on(e1,x3) & n_grill(x3) & Theme(e1,x2) & Actor(e1,x1) & v_barbecue(e1) & n_chicken(x2) & n_man(x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_cook(e1) & n_outside(x3) & of(x3,x4) & n_chicken(x4) & a_whole(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))