Match column A with column B.
$\begin{array}{ll} \textbf{Column A} & \textbf{Column B} \\ \text{1. Point electromagnetic source} & \text{P. Highly directional} \\ \text{2. Dish antenna} & \text{Q. End fire} \\ \text{3. Yagi-Uda antenna} & \text{R. Isotrophic} \end{array}$
- $ 1 \rightarrow P; \: 2 \rightarrow Q; \: 3 \rightarrow R;$
- $ 1 \rightarrow R; \: 2 \rightarrow P; \: 3 \rightarrow Q;$
- $ 1 \rightarrow Q; \: 2 \rightarrow P; \: 3 \rightarrow R;$
- $ 1 \rightarrow R; \: 2 \rightarrow Q; \: 3 \rightarrow P;$