Anchor: A man wearing a yellow hard hat and blue overalls shoveling dirt.
Entailed: A man is doing work.
Contradiction: A man is wearing a green hard hat and blue overalls shoveling dirt.
Contradiction: His leg fell off while he was running.
Contradiction: You don't speak Russian.
Contradiction: Scuba Diving is one of the less popular sporting activities in Israel. 
Contradiction: The first time I was in a comedy club I was afraid.