Anchor: Scientists are trying to clone human embryos.
Entailed: Scientists are attempting to clone human embryos.  
Contradiction: No one is trying to clone human embryos.  
Contradiction: Jon said Susan should go to the caves.
Contradiction: A boy is doing some gymnast moves.
Contradiction: A white woman is playing a guitar in a recording studio.
Contradiction: The Mauian, a Hawaiian-owned hotel, existed in 1959.