Anchor: Helpful guides take you down the long corridors and through the most interesting rooms.
Entailed: The guides take you through corridors and rooms.
Contradiction: The tour is self-guided.
Contradiction: There are no guides available at the event.
Contradiction: A bus on which everyone is happy.
Contradiction: Bringing that up reminds me of a different subject. 
Contradiction: The Supreme Court of Maine is responsible for creating the Equal Access foundation.