Customers are waiting for service at a takeout window.
People are standing in line for food.
Customers can be at a takeout window without there being a line.
exists e1 x1 x2 x3 x4.(at(e1,x3) & n_window(x3) & of(x3,x4) & n_takeout(x4) & for(e1,x2) & n_service(x2) & Actor(e1,x1) & v_wait(e1) & n_customer(x1))
exists e1 x1 x2 x3.(for(e1,x3) & n_food(x3) & in(e1,x2) & n_line(x2) & Actor(e1,x1) & v_stand(e1) & n_people(x1))