a woman in purple is standing outside a building while holding a bag.
The woman has been shopping.
Holding a bag doesn't mean you have been or was previously shopping.
exists e2 e1 x1 x2 x3 x4.(while(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_hold(e2) & n_bag(x4) & outside(e1,x3) & n_building(x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_purple(x2) & n_woman(x1))
exists p1 x1.(n_woman(x1) & exists x2.((x1 = x2) & n_shopping(x2)))