\textbf{157-} Considering the positions of the magnetic poles in the figure below, which pole is point A, and what is the direction of the magnetic field at point M?
\textit{[Figure: Two magnetic pole configurations with arrows pointing right on both sides, field lines shown around point A in the center, and point M above]}
\begin{itemize}
\item[(1)] $\rightarrow$ , S
\item[(2)] $\leftarrow$ , S
\item[(3)] $\rightarrow$ , N
\item[(4)] $\leftarrow$ , N
\end{itemize}