A chef cooks something in a skillet.
A penguin is fishing.
A penguin is an animal and a chef is a person.
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 p1 x1.(exists x2.((x1 = x2) & n_fishing(x2)) & n_penguin(x1))