The ornamental design for a container, as shown and described.
FIG. 1 is a perspective view of an embodiment of a container;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a perspective view of the container shown in FIG. 1, but with a cap employed by the container being shown in a 90-degree rotated position relative to a receptacle employed by the container; and,
FIG. 9 is a perspective view of another embodiment of a container, with apertures located within the cap and the receptacle, as well as sample contents displayed within the container.
The broken lines shown illustrate portions of the container that form no part of the claimed design.