Anchor: A lady in a grocery store is choosing which groceries she is going to purchase.
Entailed: A human choosing groceries.
Contradiction: Nobody is choosing.
Contradiction: Men from Harvard play basketball on a sunny day.
Contradiction: A woman and boy.
Contradiction: What time do the stores close in that town?  asked Jon. 
Contradiction: Auditors should follow AICPA's recommendations when giving opinions about internal control over financial reporting.