Food is prepared in an open air market.
The market where the food is prepared is not enclosed.
Open means not enclosed.
exists e1 s1 x1 x2 x3.(ne_nam_food(x1) & in(e1,x2) & n_market(x2) & of(x2,x3) & n_air(x3) & a_open(s1) & Theme(s1,x2) & Theme(e1,x1) & v_prepare(e1))
exists p1 x1 x2.(n_food(x2) & n_market(x1) & -exists e2.(Theme(e2,x1) & v_enclose(e2)) & exists e1.(Theme(e1,x2) & v_prepare(e1)) & where(x1,p1))