A man in a green apron roasts a pig over coals.`
The Hawaiin man roasts a pig over coals.
A man in a green apron does not constitute the man being Hawaiin.
(x)
exists e1 x1 x2 x3 x4.(n_man(x1) & (x1 = x2) & ne_nam_hawaiin(x2) & Theme(e1,x3) & Actor(e1,x1) & v_roast(e1) & over(x3,x4) & n_coal(x4) & n_pig(x3))