Chair

FIG. 1 is a front view for a chair showing the new design thereof; FIG. 2 is a back view thereof; FIG. 3 is a left side view thereof; FIG. 4 is a right side view thereof; FIG. 5 is a top view thereof; FIG. 6 is a bottom view thereof; FIG. 7 is a fully assembled perspective view thereof; FIG. 8 is a partially exploded perspective view thereof; and, FIG. 9 is a fully exploded perspective view thereof. Modular chair; the thin irregular lines on the surfaces of the claimed design show shading that defines the contours of the modular chair and do not reflect a particular surface ornamentation or material.