Sofa

[0001]FIG. 1 is a perspective view of a sofa according to the design.

[0002]FIG. 2 is a front view of the sofa of FIG. 1.

[0003]FIG. 3 is a rear view of the sofa of FIG. 1.

[0004]FIG. 4 is a first side view of the sofa of FIG. 1.

[0005]FIG. 5 is a second side view of the sofa of FIG. 1; and,

[0006]FIG. 6 is a top view of the sofa of FIG. 1.

[0007]The broken lines shown in the drawings illustrate portions of the sofa that form no part of the claimed design.