Anchor: They're a lot of sharks, all of them. 
Entailed: They are a huge number of sharks, the whole lot.
Contradiction: They are not enough sharks.
Contradiction: The sun is shinning down and the group of men and women
Contradiction: Who did you travel to Paris with in September of 1767.
Contradiction: The cyclists lost their helmets
Contradiction: The little boy is upside down.