Two boys playing on a trampoline.
Two boys playing chess in a mall.
The two boys cannot be playing on a trampoline at the same time as playing chess in a mall.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_trampoline(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_boy(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_mall(x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_chess(x3) & (x1 = x2) & n_boy(x1) & card_eq_2(x1))