Customers shopping in a food kiosk.
A grocery list has been made.
Shopping does not imply a grocery list has been made.
exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x3) & n_kiosk(x3) & of(x3,x4) & n_food(x4) & n_shopping(x1) & of(x1,x2) & n_customer(x2))
exists e1 x1 x2.(Theme(e1,x1) & v_make(e1) & n_list(x1) & of(x1,x2) & n_grocery(x2))