A stand sells souvenir items.
Souvenirs are on display at a stand.
The stand sells souvenir items so the souvenirs are on display at the stand.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_sell(e1) & n_item(x2) & of(x2,x3) & n_souvenir(x3) & n_stand(x1))
exists p1 x1 x2.(at(p1,x2) & n_stand(x2) & exists x3.(on(x1,x3) & n_display(x3)) & n_souvenir(x1))