Seating Unit

1. Chair

2. Couch

1 . 1 : Perspective

1 . 2 : Front

1 . 3 : Back

1 . 4 : Top

1 . 5 : Right

1 . 6 : Left

2 . 1 : Perspective

2 . 2 : Front

2 . 3 : Back

2 . 4 : Top

2 . 5 : Right

2 . 6 : Left

2 . 7 : Reference

A new, original, and ornamental design for a seating unit, as set forth in the following specification. Views 1 . 1 - 1 . 6 show the claimed design in the form of a chair. Views 2 . 1 - 2 . 7 show the claimed design in the form of a couch. Fig. 2 . 7 is a reference view of a couch showing the new design in an environment of use. The heavy broken line are showing stitch lines in figs. 1 . 1 - 1 . 6 and figs. 2 . 1 - 2 . 7 , while the light broken lines showing of portions of the seating unit in figs. 1 . 1 - 1 . 6 and figs. 2 . 1 - 2 . 7 form no part of the claimed design. The light broken lines in fig. 2 . 7 show portions of the seating unit and environment that form no part of the claimed design.