Sofa

FIG. 1 is a perspective view of a sofa showing a first embodiment of the design.

FIG. 2 is a front view of the sofa of FIG. 1 .

FIG. 3 is a rear view of the sofa of FIG. 1 .

FIG. 4 is a first side view of the sofa of FIG. 1 .

FIG. 5 is a second side view of the sofa of FIG. 1 .

FIG. 6 is a top view of the sofa of FIG. 1 .

FIG. 7 is a bottom view of the sofa of FIG. 1 .

FIG. 8 is a perspective of a sofa showing a second embodiment of the design.

FIG. 9 is a front view of the sofa of FIG. 8 .

FIG. 10 is a rear view of the sofa of FIG. 8 .

FIG. 11 is a first side view of the sofa of FIG. 8 .

FIG. 12 is a second side view of the sofa of FIG. 8 .

FIG. 13 is a top view of the sofa of FIG. 8 .

FIG. 14 is a bottom view of the sofa of FIG. 8 .

FIG. 15 is a perspective view of a sofa showing a third embodiment of the design.

FIG. 16 is a front view of the sofa of FIG. 15 .

FIG. 17 is a rear view of the sofa of FIG. 15 .

FIG. 18 is a first side view of the sofa of FIG. 15 .

FIG. 19 is a second side view of the sofa of FIG. 15 .

FIG. 20 is a top view of the sofa of FIG. 15 .

FIG. 21 is a bottom view of the sofa of FIG. 15 .

FIG. 22 is a perspective of a sofa showing a fourth embodiment of the design.

FIG. 23 is a front view of the sofa of FIG. 22 .

FIG. 24 is a rear view of the sofa of FIG. 22 .

FIG. 25 is a first side view of the sofa of FIG. 22 .

FIG. 26 is a second side view of the sofa of FIG. 22 .

FIG. 27 is a top view of the sofa of FIG. 22 ; and,

FIG. 28 is a bottom view of the sofa of FIG. 22 .

The broken lines in the figures are for the purpose of illustrating portions of the sofa, which form no part of the claimed design.