Anchor: A beautiful ballerina is dancing on the beach by herself.
Entailed: A ballerina is dancing on the beach.
Contradiction: A ballerina is performing in the nutcracker.
Contradiction: The Japanese quality control standards have continued to decline.
Contradiction: If cash consideration is included in the exchange, PP and E acquired cost increases by the amount of cash surrendered or received. 
Contradiction: People climbing a cliff face.
Contradiction: Humans responding