Fathers are always a subset of Males, so Fathers must be completely inside Males.
Engineers can be male or female, so the Engineers circle should partly overlap with Males and may also lie partly outside Males. Also, some Fathers can be Engineers.
Since the mirror is placed on line MN, the figure will be reflected vertically downward. So the top part of the figure comes to the bottom, and the bottom part comes to the top, while left and right positions remain unchanged.
After comparing all the options carefully, the correct mirror image is Option 2.