Anchor:   The Model assumes public and private companies seek the same return and have the same tax treatment, which overstates prices in areas where there are large amounts of public power.
Entailed: The Model assumes public and private companies seek the same return and have the same tax treatment.
Contradiction: The Model makes no assumptions about public companies seeking equal return and tax treatment.
Contradiction: An elderly man is eating a turkey alone
Contradiction: I have fond memories of Bent Waters. 
Contradiction: Two dogs are fighting
Contradiction: She was most likely in the South Audley Mansions.