For the Following Questions , Use the Table for the Klein

Short Answer

For the following Questions , use the table for the Klein 4-group: $\begin{array} { l | c | c | c | c | } o & I & F & T & R \\\hline I & I & F & T & R \\\hline F & F & I & R & T \\\hline T & T & R & I & F \\\hline R & R & T & F & I \\\hline\end{array}$
-What is $( I \circ F ) \circ ( R \circ I ) ?$