FIG. 1 is a front left perspective view of a first embodiment of a seat showing my new design;
FIG. 2 is a rear right perspective view thereof;
FIG. 3 is a right side elevation view thereof, the left side elevation view being a mirror image;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a front left perspective view of a second embodiment of a seat showing my new design;
FIG. 8 is a rear right perspective view thereof;
FIG. 9 is a right side elevation view thereof, the left side elevation view being a mirror image;
FIG. 10 is a front elevation view thereof;
FIG. 11 is a rear elevation view thereof;
FIG. 12 is a top plan view thereof;
FIG. 13 is a front left perspective view of a second embodiment of a seat showing my new design;
FIG. 14 is a rear right perspective view thereof;
FIG. 15 is a right side elevation view thereof, the left side elevation view being a mirror image;
FIG. 16 is a front elevation view thereof;
FIG. 17 is a rear elevation view thereof; and,
FIG. 18 is a top plan view thereof.
The second and third embodiments are shown with symbolic break lines in FIGS. 7, 8, 10-14, and 16-18, and those portions of the article between the break lines form no part of the claimed design.