A crowded street in Europe.
Empty street in europe
An empty street has no people and if it were crowded it would have lots of people.
exists s1 x1 x2.(ne_geo_europe(x2) & a_topic(x1) & in(x1,x2) & n_street(x1) & a_crowded(s1) & Theme(s1,x1))
exists s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_europe(x2) & n_street(x1) & a_empty(s1) & Theme(s1,x1))