Anchor: are you familiar with what a Serger is uh the Serger sewing machine
Entailed: Do you know about the Serger sewing machine.
Contradiction: There is no such thing as a Serger sewing machine.
Contradiction: In Europe, they are known to be an example of low-quality art. 
Contradiction: Kids playing a game outdoors
Contradiction: A woman is riding a horse.
Contradiction: The whole town should come.