Woman carves an ice sculpture while smiling.
This woman makes an ice carving.
in a both sentence caves and makes are various meaning
exists e2 e1 x1 x2 x3.(ne_nam_woman(x1) & while(e1,e2) & Actor(e2,x1) & v_smile(e2) & Theme(e1,x2) & Actor(e1,x1) & v_carve(e1) & n_sculpture(x2) & of(x2,x3) & n_ice(x3))
exists e1 x1 x2 x3.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_carving(x2) & of(x2,x3) & n_ice(x3))