Food is prepared in an open air market.
The food is prepared at a restaurant.
the open air market is open not a closed in resturant
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 e1 x1 x2.(n_food(x1) & at(e1,x2) & n_restaurant(x2) & Theme(e1,x1) & v_prepare(e1))