Sofa

FIG. 1 is a front left perspective view of a sofa showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevation view thereof, the right side being a mirror image;

FIG. 5 is a front left perspective view of a second embodiment of a sofa showing our new design;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a left side elevation view thereof, the right side being a mirror image;

FIG. 9 is a front left perspective view of a third embodiment of a sofa showing our new design;

FIG. 10 is a front elevation view thereof;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a left side elevation view thereof, the right side being a mirror image.

The sofas of the various embodiments are shown with symbolic breaks in width. The appearance of any portions of the sofas between the break lines form no part of the claimed designs.