sentence combining

Mama sat. She sat by the window. She wore black.
1) Mama sat by the window while wearing black.
2)Mama wore black while sitting by the window.
3)Mama wore black as she was sitting by the window.
4)Mama was sitting by the window as she was wearing black.

Mama was wearing black clothes, while she was sitting by the window in the living room. She was sitting on a recliner while reading a book. She likes the beautiful view outside of the window.