Consider a relation $(T,U,V,W,x,Y,Z$ with functional dependencies as given below.

$TUVW$

$WxYZ$

$UWZ$

$TUV$

What are the relations after normalizing to second normal form?

TWVZ and TUXY

TWXYZ and TUV

TWUZ and TVXY

TWUVZ and $TxY$