A chef prepares food outdoors.
A chef works a catered picnic.
It cannot be inferred that the chef is preparing food outdoors because he or she is working a catered picnic.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_outdoors(x2) & of(x2,x3) & n_food(x3) & n_chef(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_work(e1) & n_picnic(x2) & a_catered(s1) & Theme(s1,x2) & n_chef(x1))