two kids playing with toys
Kids are writing in school.
Kids playing with toys can not also be writing.
exists e1 x1 x2 x3.(a_topic(x1) & with(e1,x3) & n_toy(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_kid(x1) & card_eq_2(x1))
exists e1 x1 x2.(in(e1,x2) & n_school(x2) & Actor(e1,x1) & v_write(e1) & n_kid(x1))