Anchor: It might have been salt, replied Poirot placidly. 
Entailed: Poirot thought that it might be salt.
Contradiction: Poirot strongly believed it was baking soda and not salt.
Contradiction: A man passes a wooden door.
Contradiction: The relationship between Irish music and Irish history is explored in this museum.
Contradiction: The dog is sitting.
Contradiction: I may not be a good reference, since I mostly use word processing for personal tasks.