Two children bounce on a trampoline.
Children are playing hot potato.
You don't generally play hot potato on a trampoline.
exists e1 x1 x2.(on(e1,x2) & n_trampoline(x2) & Actor(e1,x1) & v_bounce(e1) & n_child(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_potato(x2) & a_hot(s1) & Theme(s1,x2) & n_child(x1))