Match the disease (Column I) with its biological vector (Column II).
\begin{array}{|c|c|c|}
\hline \text{Column I} & \text{Column II} \\
\hline P. \text{Chagas disease} & 1. \text{Tsetse flies} \\
\hline Q. \text{Trypanosomiasis} & 2. \text{Mosquitoes} \\
\hline R. \text{Leishmaniasis} & 3. \text{Sandflies} \\
\hline S. \text{Yellow Fever} & 4. \text{Reduviid bugs} \\
\hline
\end{array}
- $\text{P-4; Q-1; R-3; S-2}$
- $\text{P-2; Q-3; R-4; S-1}$
- $\text{P-1; Q-4; R-3; S-2}$
- $\text{P-3; Q-1; R-2; S-4}$