Match the entries in $\text{Group I}$ with the entries in $\text{Group II}$.
$\begin{array}{|l|l|l|l|} \hline & \text{Group I} && \text{Group II} \\ \hline P. & \text{RNAse P} & 1. & \text{Polyadenylation} \\ \hline Q. & \text{RNase H} & 2. & \text{Splicing} \\ \hline R. & \text{snRNAs} & 3. & \text{Ribozymes} \\ \hline S. & \text{CstF} & 4. & \text{DNA-RNAhybrids} \\ \hline \end{array}$
- $\text{P-3, Q-4, R-2, S-1}$
- $\text{P-4, Q-3, R-2, S-1}$
- $\text{P-3, Q-2, R-1, S-4}$
- $\text{P-2, Q-4, R-1, S-3}$