A woman with pink bows in her hair plays an instrument.
A woman plays an instrument which she has played since she was a child.
The first sentence doesn't imply she has played it since she was a child.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_play(e1) & n_instrument(x4) & in(x1,x3) & n_hair(x3) & of(x3,x1) & n_female(x1) & with(x1,x2) & n_bow(x2) & a_pink(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 e2 p1 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_play(e2) & exists p2 x4.((x1 = x4) & n_child(x4)) & n_female(x1) & n_female(x1) & since(e1,p1) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & (x2 = x3) & n_instrument(x2) & n_woman(x1))