Anchor: A man in a blue shirt singing while a girl in a black dress plays guitar in the background.
Entailed: The man and girl are performing a song.
Contradiction: The man is playing the guitar and the girl is singing while another man plays the piano.
Contradiction: I haven't heard anything about Nancy Regan's book.
Contradiction: They took into account the probability of the ticket being changed could have hurt the party at the time. 
Contradiction: All assignments have people working on them.
Contradiction: Something in the way Fenner repeated the word "Texas" made it sound like a question, rather than a confirmation.