A game is played on the board shown. In this game, a player can move three places in any direction (up, down, right or left) and then can move two places in a direction perpendicular to the first move. If a player starts at S, which position on the board (P,Q,R,T, or W) cannot be reached through any sequence of moves?
Answer Choices
A. P
B. Q
C. R
D. T
E. W