Anchor: Two men are working on train tracks.
Entailed: Two men are working.
Contradiction: Two woman are lounging around on a hot day.
Contradiction: It's easy to get started without lessons.
Contradiction: Sandra Flitterman-Lewis had to have a medical examination before teaching again this fall because students reported her behavior in class. 
Contradiction: The building consists primarily of legislative offices, with only a couple of shops. 
Contradiction: There is a claim that Loral hurt the security of the United States.