People are gathered in a city and barefoot children stand near a water fountain.
A fountain stands in an empty crossroads.
If people are there are people then the crossroads cannot be empty.
exists e2 e1 s1 x1 x2 x3 x4 x5.(near(e2,x4) & n_fountain(x4) & of(x4,x5) & n_water(x5) & Actor(e2,x3) & v_stand(e2) & n_child(x3) & a_barefoot(s1) & Theme(s1,x3) & in(e1,x2) & n_city(x2) & Theme(e1,x1) & v_gather(e1) & n_people(x1))
exists e1 s1 x1 x2.(in(e1,x2) & n_crossroads(x2) & a_empty(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1) & n_fountain(x1))