Identify a bacteriostatic (A) and bacteriocidal (B) antibiotic from the following

1. A \(\begin{array}{|c|c|}
   \hline \underline{\mathrm{A}} & \underline{B} \\
   \hline \text { Erythromycin } & \text { Chloramphenicol } \\
   \hline
   \end{array}\)
2. B \(\begin{array}{|c|c|}
   \hline \text { A } & \underline{B} \\
   \hline \text { Ofloxacin } & \text { Tetracycline } \\
   \hline
   \end{array}\)
3. C \(\begin{array}{|c|c|}
   \hline \underline{A} & \underline{B} \\
   \hline \text { Chloramphenicol } & \text { Norethindrone } \\
   \hline
   \end{array}\)
4. D \(\begin{array}{|c|c|}
   \hline \underline{A} & \underline{B} \\
   \hline \text { Tetracycline } & \text { Ofloxacin } \\
   \hline
   \end{array}\)