Two guys sorting through some items.
The brothers are interested in the albums from the attic.
Not all guys sorting items are brothers.
exists e1 x1 x2 x3.(a_topic(x1) & through(e1,x3) & n_item(x3) & Actor(e1,x2) & v_sort(e1) & (x1 = x2) & n_guy(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_album(x3) & n_attic(x2) & n_brother(x1) & in(e1,x3) & from(e1,x2) & Theme(e1,x1) & v_interest(e1))