Anchor: You wrote in response to an e-mail by Gourevitch postmarked just two hours earlier.
Entailed: You received an email from Gourevitch.
Contradiction: Gourevitch has no idea how to send an email.
Contradiction: The Musee Marmottan only displays classical Greek and Roman sculptures.
Contradiction: Jon said to tell us.
Contradiction: Jamaicans are close-minded to other people. They don't like to communicate. 
Contradiction: Both dogs have a red toy.