Anchor: Many of these elegant Renaissance houses now serve as museums and libraries.
Entailed: These elegant Renaissance houses serve as museums and libraries.
Contradiction: None of these homes are used for museums or libraries. 
Contradiction: Many Renaissance houses have been torn down and turned into hotels.
Contradiction: Casa de la Trova is not in Cuba.
Contradiction: There were three case studies about education.
Contradiction: They are no longer allowed to mine lead in the area.