The ornamental design for a container, as shown and described.
FIG. 1 is a plan view of a container in accordance with the new design.
FIG. 2 is a plan view of a second embodiment of a container; and,
FIG. 3 is an elevational view of the container of FIG. 1; the elevational view of the container of FIG. 2 being identical.
Elements drawn in broken lines in FIG. 1 form no part of the claimed design.
The disclaimed broken line symbol in FIG. 1 and the claimed symbol in FIG. 2 is a U.S. Federal Trademark of Guerlain Societe Ananyme having Ser. No. 575,389.