Other questions also echo our current conflict: How should the show's hero deal with members of a (human) fifth column that has tried to sabotage his ship?
The nine products listed in the left-most column that we've used so far can now be replaced by their three functional equivalents listed in green in the fifth column.
Beware of the fifth column. They often infiltrate into key positions and seek to undermine the body politic from within.
Most Jews see the Arab minority as a potential fifth column.