A woman dressed in black is silhouetted against a cloud darkened sky.
A woman is in a black dress.
A slihouette may not allow for the full visual representation of the object within its frame and  it may not show whether or not if the woman who was dressed in black may have actually been wearing a dress.
exists e1 e3 e2 s1 x1 x2 x3 x4 x5.(against(e2,x4) & n_sky(x4) & Theme(e3,x4) & v_darken(e3) & of(x4,x5) & n_cloud(x5) & Theme(e2,x1) & v_silhouette(e2) & Theme(e1,s1) & Theme(s1,x3) & a_black(s1) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_woman(x1))
exists p1 x1.(exists s1 x2.(in(x1,x2) & n_dress(x2) & a_black(s1) & Theme(s1,x2)) & n_woman(x1))