A woman on a cellphone taking a walk.
The cellphone is new.
The cellphone is not necessarily new.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_take(e1) & n_walk(x4) & (x2 = x3) & n_cellphone(x2) & n_woman(x1))
exists s1 x1.(n_cellphone(x1) & Theme(s1,x1) & a_new(s1))