Anchor: If you are going to travel with us and do battle, you are going to have to learn fast.
Entailed: if you want to travel with us you have to learn quickly
Contradiction: You don't need to learn anything to travel with us.
Contradiction: Miss Howard has become weak-minded.
Contradiction: A man uses a chainsaw.
Contradiction: The prostaglandin has helped none of its users.
Contradiction: Larry Cockell might learn something from history, a rare sight indeed!