A woman with white hair chisels at an uncompleted sculpture.
A women is sculpting a masterpeice.
Although she is working on an uncompleted sculpture, it does not imply it is a masterpeice.
exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & at(x1,x4) & n_sculpture(x4) & a_uncompleted(s2) & Theme(s2,x4) & with(x1,x2) & n_chisel(x2) & of(x2,x3) & n_hair(x3) & a_white(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_sculpt(e1) & n_masterpeice(x2) & n_woman(x1))