A busy street with a lot of houses.
There are no houses on the street.
A street cannot have a lot of houses if there are no houses on the street.
exists s1 x1 x2 x3.(a_topic(x1) & with(x1,x2) & of(x2,x3) & n_house(x3) & n_lot(x2) & n_street(x1) & a_busy(s1) & Theme(s1,x1))
exists p1 x1 x3.(n_street(x3) & -exists x2.((x1 = x2) & on(x2,x3) & n_house(x2)))