The ornamental design for a shoe, as shown and described.
FIG. 1 is a bottom perspective view of a shoe in accordance with the new design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a front view thereof; and,
FIG. 7 is a rear view thereof.
The shoe upper as well as the remainder of the outsole shown in broken lines throughout the views represent the portions of the article that form no part of the claimed.