Two young males are in the checkout aisle, bagging and paying for groceries.
There are two people in the check out line
THE MALES ARE PEOPLE.  THEY ARE CHECKOUT IN THE CHECK OUT LINE.
exists e1 e2 p1 s1 x1 x2 x3 x4.(n_aisle(x3) & of(x3,x4) & n_checkout(x4) & for(p1,e2) & for(e2,x2) & n_grocery(x2) & Actor(e2,x1) & v_pay(e2) & for(p1,e1) & Actor(e1,x1) & v_bag(e1) & in(x1,x3) & n_male(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 p1 x1 x2 x3 x4 x5.(n_check(x4) & out(e1,x5) & n_line(x5) & Theme(e1,x2) & Actor(e1,x1) & v_event(e1) & in(x2,x4) & exists x6.((x3 = x6) & n_people(x6) & card_eq_2(x6)) & (x2 = x3) & n_thing(x1))