Anchor: A man in jeans and boots holds up a welding mask while working on a girder.
Entailed: A man works on a girder.
Contradiction: A woman in a dress works on the garden.
Contradiction: History is full of lessons to be learned.
Contradiction: A dog is walking down a stream.
Contradiction: He joined the clinton administration as court jester in 2002. 
Contradiction: The trail of the north.