A busy outdoor park in europe.
The park is empty
If a park is busy, then it is not empty.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_europe(x3) & n_park(x1) & of(x1,x2) & n_outdoor(x2) & a_busy(s1) & Theme(s1,x1))
exists s1 x1.(n_park(x1) & Theme(s1,x1) & a_empty(s1))