Tourists are walking the streets and looking at the shops' goods.
The tourists are shopping.
The tourists are looking at shops goods and shopping.
exists e1 e2 x1 x2 x3 x4 x5.(n_goods(x5) & of(x5,x4) & n_shop(x4) & n_street(x2) & at(e2,x5) & Actor(e2,x3) & v_look(e2) & n_tourist(x3) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_tourist(x1))
exists p1 x1.(n_tourist(x1) & exists x2.((x1 = x2) & n_shopping(x2)))