Anchor: Mail on all other city routes is delivered six days a week.
Entailed: Mail is delivered in the city every week. 
Contradiction: Mail on all other city routes is only delivered every Sunday. 
Contradiction: A robot on a sofa.
Contradiction: What is happening at the house?
Contradiction: I don't know anybody who owns a machine shop. 
Contradiction: Nonfinancial data can help provide a complete presentation.