Anchor: say it's between four hundred and six hundred you might have to do it depending how many people are in your class and you know like you the they right
Entailed: Whether or not you do it depends on the number of people in your class.
Contradiction: The size of your class does not determine whether or not you have to do it.
Contradiction: Three women and two girls review merchandise at a bookstore.
Contradiction: I surmised that he wanted his mother to increase his allowance.  
Contradiction: The singer is singing to nobody.
Contradiction: The wall dates from the reign of King Philip II of Spain.