Anchor: I don't know, confessed Tuppence.
Entailed: Tuppence admitted that she didn't know. 
Contradiction: Tuppence said that she knew for certain. 
Contradiction: The girl skateboarded down the hill.
Contradiction: It's very difficult to move all the time.
Contradiction: Wilde was a proponent of the Victorian way of life. 
Contradiction: There is a drawback to it, like that saying, "no good deed goes unpunished".