Anchor: The hierarchy was published in OMB Bulletin 97-01 dated October 16, 1996.
Entailed: There is a hierarchy published in the bulletin.
Contradiction: The hierarchy was published in 1995.
Contradiction: There are people eating.
Contradiction: You are an unhappy student who graduated. 
Contradiction: The Tel Aviv Museum of Art is a boarded-up building.
Contradiction: I had to be in charge of someone's life.