Anchor: Two women wearing bikinis on a sandy beach.
Entailed: Two women are together on a beach.
Contradiction: Two women are in a forest.
Contradiction: The people are skipping rocks at the beach.
Contradiction: In case studies the collection of data and its analyses are considered yoked - meaning iterative and concurrent.  
Contradiction: Portimao does not have any ships.
Contradiction: A group of men are exercising in an indoor fitness facility.