The ornamental design for a container, as shown and described.
FIG. 1 is an upper perspective view of a container showing my new design;
FIG. 2 is an upper perspective view of the container of FIG. 1 in an alternate configuration in which the pyramid portion of the container is inverted and the tip is disposed in an opening in the base portion which has an upper surface that is angled inward;
FIG. 3 is a side view thereof;
FIG. 4 is a cross-sectional view thereof taken along line 4-4 in FIG. 2;
FIG. 5 is another side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is an upper perspective view of an alternate embodiment of the container of FIG. 1, in which the pyramid portion of the container is inverted and the tip is disposed in an opening in the base portion which has a flat upper surface.