The ornamental design for seating furniture, as shown and described.
FIG. 1 is a front elevational view of seating furniture showing my new
design in the form of a sofa;
FIG. 2 is a side elevational view of FIG. 1, the opposite side being a
mirror image thereof;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a perspective view thereof.
The rear view which has not been shown forms no part of the claimed design.
FIGS. 2 and 4 have been shown on an enlarged scale with respect to FIGS. 1
and 3.