Anchor: Three friends have the time of their life at the beach.
Entailed: People are enjoying the beach.
Contradiction: People are sad.
Contradiction: There are no current solutions to addressing the garbage piles along the highway in the community.
Contradiction: The man has a drink.
Contradiction: Interdisciplinary research will facilitate the development of OR interventions. 
Contradiction: You can be in for life and still be eligible for parole after less than 30 years.