Anchor: A group of people in black jackets are standing outside a store.
Entailed: A group of people in black jackets are milling about near the store
Contradiction: A group of people are inside the store
Contradiction: Even if you have enough money, no. 
Contradiction:  Assumption Day and Annunciation Day are two major festivals.
Contradiction: There is need for a system that will increase consumers' costs.
Contradiction: Financial audits