Match the products in $\text{Group I}$ with the applications in $\text{Group II}$.
$\begin{array}{|C|l|C|l|} \hline &\textbf{Group I} & {} &\textbf{Group II} \\\hline P. &\text{Digoxin} & 1. &\text{Muscle relaxant} \\\hline Q. &\text{Stevioside} & 2. &\text{Anti-cancer agent} \\\hline R. &\text{Atropine} & 3. &\text{Cardiovascular disorder} \\\hline S. &\text{Vinblastine} & 4. &\text{Sweetener} \\\hline\end{array}$
- $\text{P-l, Q-4, R-3, S-2}$
- $\text{P-3, Q-2, R-1, S-4}$
- $\text{P-3, Q-4, R-1, S-2}$
- $\text{P-2, Q-3, R-1, S-4}$