Decide Whether the Game Is Strictly Determined __________ (Answer Strictly Determined or Not Strictly Determined)
If It

Essay

Decide whether the game is strictly determined. $\begin{array} { l } &B& \\\text { A } &\begin{array} { r } \mathrm { P } \\\mathrm { Q } \\\mathrm { R } \\\mathrm { P }\end{array} \left[ \begin{array} { c c c } a &b& c\\- 2 & - 5 & 9 \\1 & 1 & 0 \\- 1 & - 2 & - 3 \\1 & 1 & - 1\end{array} \right] \\\end{array}$ __________ (answer strictly determined or not strictly determined)
If it is, what are the players' optimal pure strategies
A __________
B __________

What is the value of the game __________