Consider the lines given by
P
\[
\begin{array}{l}
L_{1}: x+3 y-5=0 \\
L_{2}: 3 x-k y-1=0 \\
L_{3}: 5 x+2 y-12=0
\end{array}
\]
W
Match the following lists.
\begin{tabular}{|l|l|}
\hline \multicolumn{1}{|c|}{ List I } & \multicolumn{1}{c|}{ List II } \\
\hline a. \( L_{1}, L_{2}, L_{3} \) are concurrent if & p. \( k=-9 \) \\
\hline \( \begin{array}{l}\text { b. } \text { One of } L_{1}, L_{2}, L_{3} \text { is parallel to at least one } \\
\text { of the other two if }\end{array} \) & q. \( k=-6 / 5 \) \\
\hline c. \( L_{1}, L_{2}, L_{3} \) form a triangle if & r. \( k=5 / 6 \) \\
\hline d. \( L_{1}, L_{2}, L_{3} \) do not form a triangle if & s. \( k=5 \) \\
\hline
\end{tabular}
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