In the figure above, ABCD is a parallelogram and E is the midpoint of side AD. The area of triangular region ABE is what fraction of the area of quadrilateral region BCDE ?

~$1 \over 2$~

~$1 \over 3$~

~$1 \over 4$~

~$1 \over 5$~

~$1 \over 6$~