Sink

FIG. 1 is a top, left, front perspective view of an embodiment of the claimed design;

FIG. 2 is a top, right, rear perspective view of the claimed design of FIG. 1 ;

FIG. 3 is a top plan view of the claimed design of FIG. 1 ;

FIG. 4 is a front elevation view of the claimed design of FIG. 1 ;

FIG. 5 is a left-side elevation view of the claimed design of FIG. 1 ;

FIG. 6 is a right-side elevation view of the claimed design of FIG. 1 ;

FIG. 7 is a rear elevation view of the claimed design of FIG. 1 ; and,

FIG. 8 is a bottom plan view of the claimed design of FIG. 1 .

The ornamental design which is claimed is shown in solid lines in the drawings. The dash-dash broken lines in the drawings are for the purpose of illustrating unclaimed surfaces or environment of the design. The dot-dash-dot broken lines in the drawings defined unclaimed boundaries of the design. Thus, the broken lines are for illustrative purposes only and form no part of the claimed design.