Two children playing pop warner football.
The twin brothers chase after each other during a game of pop warner football.
It simply says "two children." It says nothing about them being twins or even being brothers. It doesn't even says both children are boys.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_football(x3) & of(x3,x5) & n_warner(x5) & of(x3,x4) & n_pop(x4) & (x1 = x2) & n_child(x1) & card_eq_2(x1))
exists s1 x1 x2.(n_chase(x1) & of(x1,x2) & n_brother(x2) & a_twin(s1) & Theme(s1,x1) & all x3.(n_other(x3) -> exists x4 x5 x6 x7.(a_topic(x1) & during(x1,x4) & of(x4,x5) & n_football(x5) & of(x5,x7) & n_warner(x7) & of(x5,x6) & n_pop(x6) & n_game(x4) & after(x1,x3))))