\textbf{154.} Suppose lines $x + y = 1$ and $x - y = 3$ are the diameters of a circle, and the line $4x + 3y + 5 = 0$ is tangent to it. What is the distance of point $M(4, -2)$ from the circle?
\begin{itemize}
\item[(1)] $\sqrt{3} - 1$
\item[(2)] $\sqrt{3} - \sqrt{2}$
\item[(3)] $\dfrac{\sqrt{7}}{2}$
\item[(4)] $\sqrt{5} - 2$
\end{itemize}
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