Match the following ;
\begin{tabular}{|l|l|l|l|}
\hline & \multicolumn{1}{|c|}{ A } & & \multicolumn{1}{|c|}{ B } \\
\hline 1 & Testis & a & copulation \& transfer of germ cells \\
\hline 2 & Vas deferens & b & formation of semen \\
\hline 3 & Prostrate & c & transfer of sperms \\
\hline 4 & Penis & d & production of sperms \& testosterone \\
\hline
\end{tabular}