Anchor: A number of people are sitting at a restaurant while a waiter navigates between the tables.
Entailed: People are at a restaurant.
Contradiction: People are at a concert.
Contradiction: You can't check information about the current season. 
Contradiction: Fight until you get to me.
Contradiction: A man delivers steaming fajitas to a table.
Contradiction: I knew that something was wrong because his face looked agitated.