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