What is the total number of Read after Write (RAW), Write after Read (WAR) and Write after Write (WAW) dependencies, respectively in the following assembly program?
$\begin{array}{|l|l|l|} \hline \text{Add } R5, R0, R1; & R5 \leftarrow R0+R1 \\ \hline \text{Sub } R0, R2, R5; & R0 \leftarrow R2 – R5 \\ \hline \text{MUL } R3, R2, R0; & R3 \leftarrow R2 ^* R0 \\ \hline \text{OR } R5, R0, R4; & R5 \leftarrow R0 \text{ or } R4 \\ \hline \text{Store } R6, \ U & U \leftarrow R6 \\ \hline \end{array}$
- $2,1,3$
- $3,1,2$
- $1,2,3$
- $3,2,1$