A chef cooks something in a skillet.
A chef cooks well.
We don't know if the chef cooks well or not.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_cook(e1) & in(x2,x3) & n_skillet(x3) & n_thing(x2) & n_chef(x1))
exists e1 s1 x1.(a_well(s1) & Manner(e1,s1) & Actor(e1,x1) & v_cook(e1) & n_chef(x1))