A family doing a picnic in the park.
A family is playing a soccer game.
One can not picnic and playing at the same time.
exists e1 x1 x2 x3 x4.(n_park(x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & in(x3,x4) & n_picnic(x3) & (x1 = x2) & n_family(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & of(x2,x3) & n_soccer(x3) & n_family(x1))