Anchor: Two secretaries are conversing at the front desk in a hotel.
Entailed: A pair of secretaries are at the front desk of a hotel.
Contradiction: Two secretaries are not talking to each other due to the argument they had yesterday.
Contradiction: Two girls are sitting on the stairs.
Contradiction: The economy of Japan in the 1990s was stagnant.
Contradiction: There is no problem within the justice system, looking for scope of improvement. 
Contradiction: I don't know that I'm able to leave anything.