we want to add another bathroom to our upstairs. MBR is 14.5 x 13 with built in closet 32" x 10'

1. should we try to convert closet to a small bath/closet or

2. take down a shared wall with adjoinging br 12 x 13.5, its built in closet 32 x 10' shares a wall with the full bath upstairs, and make a MBR suite