A boy and girl are playing in bed on top of their father.
Children playing in the park.
The children cannot be playing in bed and in the park at the same time.
exists e1 x1 x2 x3 x4 x5 x6.(on(e1,x5) & of(x5,x6) & n_father(x6) & of(x6,x2) & n_thing(x2) & n_top(x5) & in(e1,x4) & n_bed(x4) & Actor(e1,x1) & v_play(e1) & n_girl(x3) & n_boy(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2 x3.(n_park(x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1))