The ornamental design for the chair, as shown and described.
The file of this patent contains at least one drawing executed in color. Copies of this patent with color drawings will be provided by the United States Patent and Trademark Office upon request and payment of the necessary fee.
FIG. 1 is a front view of the chair;
FIG. 2 is a front-side view of the chair;
FIG. 3 is a back-side view of the chair;
FIG. 4 is a side view of the chair, the opposite side is a mirror image thereof;