People buying food from an outdoor seller.
People buying food from a grocery store.
They're either buying form an outdoor seller or a grocery store.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & from(e1,x4) & n_seller(x4) & a_outdoor(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_buy(e1) & n_food(x3) & (x1 = x2) & n_people(x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & from(e1,x4) & n_store(x4) & of(x4,x5) & n_grocery(x5) & Theme(e1,x3) & Actor(e1,x2) & v_buy(e1) & n_food(x3) & (x1 = x2) & n_people(x1))