126. In trapezoid $ABCD$, the ratio of the bases is $\dfrac{1}{3}$. The line connecting the midpoints of the legs cuts the diagonals of the trapezoid at points $E$ and $F$.
How many times is the area of quadrilateral $ABEF$ equal to the area of the original trapezoid?
\begin{minipage}{0.45\textwidth}
[Figure: Trapezoid $ABCD$ with points $F$ and $E$ on the diagonals, connected by a line segment] \end{minipage} \begin{minipage}{0.45\textwidth} \begin{flushright} (1) $\dfrac{2}{9}$
(2) $\dfrac{1}{6}$
(3) $\dfrac{3}{16}$
(4) $\dfrac{1}{4}$ \end{flushright} \end{minipage}