The ornamental design for a container, as shown and described.
FIG. 1 is a top perspective view of a container made in accordance with the present invention, showing a ball mounted atop a stand positioned within a container;
FIG. 2 is a bottom view of the container of FIG. 1;
FIG. 3 is a top view of the container of FIG. 1, with ball and stand removed for ease of illustration;
FIG. 4 is a top view of the container of FIG. 1, showing only the stand within the container for ease of illustration; and,
FIG. 5 is a top perspective view of the container of FIG. 1, showing how a statue of a team mascot may be mounted atop the ball. The broken lines showing the statue are for illustrative purposes only and form no part of the claimed design.