Anchor: A companion piece advocates destroying food bacteria with low-level radiation.
Entailed: A side article suggests using radiation to kill bacteria.
Contradiction: Low level radiation encourages bacteria growth.
Contradiction: A socially valuable service is over-supplied.
Contradiction: Sarge is being questioned.
Contradiction: Portimao does not have any ships.
Contradiction: They wouldn't need to waste time all over the place looking for just one guy.