Anchor: Two men without shirts on working on a roof of a building that has been damaged.
Entailed: Two people repair a damaged property.
Contradiction: Two men wearing black shirts sit on a roof.
Contradiction: The barbarian's stare disappeared as he bellowed a deep laugh at his challenger.
Contradiction: If we trace the virus from chimps to humans we can learn a thing or two about diagnosing HIV. 
Contradiction: It doesn't happen in any, big or small.
Contradiction: A woman near some pictures.