Anchor: A man is excavating something buried in the ground while other people look on.
Entailed: The man is digging in the ground.
Contradiction: The man is building a skyscraper.
Contradiction: I want the children to know that is how they should spend their time.
Contradiction: A researcher is analyzing samples.
Contradiction: This man was praised and told how smart he was. 
Contradiction: A boy riding his bike on the patio.