Women are washing their clothes in a river.
Women wash their clothes in the river because they don't have washing machines.
The women could have washing machines. We do not really know.
exists e1 x1 x2 x3.(in(e1,x3) & n_river(x3) & Theme(e1,x2) & Actor(e1,x1) & v_wash(e1) & n_clothes(x2) & of(x2,x1) & n_thing(x1) & n_woman(x1))
exists e1 p1 x1 x2 x3.(n_river(x3) & -exists e2 s1 x4.(Theme(e2,x4) & Actor(e2,x1) & v_have(e2) & n_machine(x4) & a_washing(s1) & Theme(s1,x4)) & n_thing(x1) & n_thing(x1) & because(e1,p1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_wash(e1) & n_clothes(x2) & of(x2,x1) & n_woman(x1))