Anchor: A man dressed in a nice black suit makes a toast to a roomful of guests.
Entailed: A man dressed in a suit makes a toast.
Contradiction: A man in a black top hat is reading a green book.
Contradiction: No one fell down.
Contradiction: The tasks have to be done correctly.
Contradiction: It wasn't him that helped us ferret you out.
Contradiction: A crowd is waiting for an event to start.