Q5

Which of the following is a true statement about the lines
$\ell_1=\begin{pmatrix}-1\\2\\5\end{pmatrix}+\lambda\begin{pmatrix}-1\\3\\1\end{pmatrix},\qquad \ell_2=\begin{pmatrix}3\\-10\\1\end{pmatrix}+\mu\begin{pmatrix}1\\-3\\-1\end{pmatrix}?$

A. $\ell_1$ and $\ell_2$ are the same line.
B. $\ell_1$ and $\ell_2$ are not parallel and they intersect.
C. $\ell_1$ and $\ell_2$ are parallel and they do not intersect.
D. $\ell_1$ and $\ell_2$ are not parallel and they do not intersect.