Anchor: In 1566 Madeira suffered its worst disaster.
Entailed: A disaster happened on Madeira in 1566.
Contradiction: Madeira did not see a major disaster until the 17th century.
Contradiction: This is an impossible product to sell and we have to scrap it.
Contradiction: A big dog is doing trick ,
Contradiction: I do not care what fish can be put together.  
Contradiction: A dog is in the creek.