Anchor: She surely is aware that her husband was unfaithful to her before he became president--he admitted as much on national television.
Entailed: Her husband practically admitted on national television that he was unfaithful to her before he became president. 
Contradiction: She doesn't watch television. 
Contradiction: They had no time to practice. 
Contradiction: The restaurant has a group of people sitting in front on a sunny day.
Contradiction: A groups of young children play in the sand at the beach.
Contradiction: The $20 gold pieces go for coin value not bullion value.