Women taking a stroll while using their cellular phones on the streets.
A female is on a tree.
The female on a tree could not have been taking a stroll at the same time.
exists e1 e2 s1 x1 x2 x3 x4 x5.(n_street(x5) & a_topic(x1) & while(e1,e2) & Theme(e2,x4) & Actor(e2,x2) & v_use(e2) & on(x4,x5) & n_phone(x4) & a_cellular(s1) & Theme(s1,x4) & of(x4,x1) & n_thing(x1) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & n_stroll(x3) & (x1 = x2) & n_woman(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_tree(x2)) & n_female(x1))