Anchor: A group of people sit and walk on a set of stairs.
Entailed: A group of people sit and walk on stairs.
Contradiction: A group of people sleep and drink on stairs.
Contradiction: Three students are in a classroom.
Contradiction: He is not serious when it comes to placing eggs up for sale.
Contradiction: No, the family part is pretty boring and not worth getting in to. 
Contradiction: Stewardship investments are treated as expenses that have long term benefit