FIG. 1 is a front view of a first embodiment of a display screen for a graphical user interface, showing our new design;
FIG. 2 is another front view thereof;
FIG. 3 is another front view thereof;
FIG. 4 is another front view thereof;
FIG. 5 is a front view of a second embodiment of the display screen for a graphical user interface, showing our new design;
FIG. 6 is another front view thereof;
FIG. 7 is another front view thereof;
FIG. 8 is another front view thereof;
FIG. 9 is a front view of a third embodiment of the display screen for a graphical user interface, showing our new design;
FIG. 10 is another front view thereof;
FIG. 11 is a front view of a fourth embodiment of the display screen for a graphical user interface, showing our new design; and,
FIG. 12 is another front view thereof.
The outermost broken lines illustrate the environment of the display screen for a graphical user interface. The remaining broken lines shown in the figures represent portions of the display screen for a graphical user interface that form no part of the claimed design.