kids playing at a playground on a stack of tires
The kids are outside.
In order to be playing at a playground, the kids must also be outside.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & at(e1,x3) & on(x3,x4) & of(x4,x5) & n_tire(x5) & n_stack(x4) & n_playground(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_kid(x1))
exists s1 x1.(n_kid(x1) & Theme(s1,x1) & a_outside(s1))