Anchor: A given batch of dilution water should not be used for more than 14 days following preparation because of the possible build-up of bacterial, fungal, or algal slime growth and the problems associated with it.
Entailed: After 14 days there is a risk of infection in the batch of dilution water.
Contradiction: The batches of dilution water have an infinite shelf life.
Contradiction: They never sent me any letters or communication after that.
Contradiction: People are outside taking pictures of the water.
Contradiction: There are no spies around us.
Contradiction: The people are playing a sport.