Cup

FIG. 1 is a front, right, top perspective view of a cup, showing my new design; FIG. 2 is a rear, left, bottom perspective view thereof; FIG. 3 is a front elevational view thereof; FIG. 4 is a rear elevational view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top plan view of the enlarged scale thereof; and, FIG. 8 is a bottom plan view of the enlarged scale thereof. The evenly dashed broken lines in the drawings depict portions of the cup that form no part of the claimed design.