A cashier at a grocery store.
There is a completly empty grocery store.
A cashier would not be at a completely empty grocery store.
exists x1 x2 x3.(a_topic(x1) & at(x1,x2) & n_store(x2) & of(x2,x3) & n_grocery(x3) & n_cashier(x1))
exists p1 x1 s1 x2 x3.((x1 = x2) & n_store(x2) & of(x2,x3) & n_grocery(x3) & a_empty(s1) & Theme(s1,x2) & r_completly(x2))