Below you are given descriptions (in polar coordinates) of six regions and plots of four of these regions. Match each plot to the correct description. (Note: Values along the axes are given in Cartesian coordinates.)

A. $1 \le r \le 2$
B. $r \ge 0,\;\;\pi/3 \le \theta \le 2\pi/3$
C. $0 \le r < 4,\;\; -\pi/2 \le \theta < \pi/6$
D. $2 < r \le 5,\;\; 3\pi/4 < \theta < 5\pi/4$
E. $2 < r < 3,\;\; 5\pi/3 \le \theta \le 7\pi/3$
F. $-1 \le r \le 1,\;\; \pi/4 \le \theta \le 3\pi/4$

1.
2.
3.
4.