Two kids play hockey on a pond.
Some kids are playing hockey on the breakable ise.
Not all ice is breakable ise.
exists e1 x1 x2 x3.(on(e1,x3) & n_pond(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hockey(x2) & n_kid(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(n_ise(x3) & a_breakable(s1) & Theme(s1,x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hockey(x2) & n_kid(x1))