Many people on a street while vendors sell items.
People are purchasing items from the vendors.
Just because there are people on the street with vendors selling items, doesn't mean that they are purchasing from the vendors.
(-x)
exists e1 x1 x2 x3.(n_vendor(x3) & from(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_purchase(e1) & n_item(x2) & n_people(x1))