A lady shopping at the grocery store.
A woman shops.
A lady is a woman.
exists x1 x2 x3 x4.(n_store(x3) & of(x3,x4) & n_grocery(x4) & a_topic(x1) & at(x1,x3) & n_shopping(x1) & of(x1,x2) & n_lady(x2))
exists x1 x2.(a_topic(x1) & n_shop(x1) & of(x1,x2) & n_woman(x2))