A father is spending time with his kids.
They are playing tag in the back yard
You can not infer they are playing tag.
exists e1 x1 x2 x3.(with(e1,x3) & n_kid(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_spend(e1) & n_time(x2) & n_father(x1))
exists e1 x1 x2 x3 x4.(n_yard(x3) & of(x3,x4) & n_back(x4) & n_thing(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_tag(x2))