Anchor: A group of dancing swimmers doing one of their routines.
Entailed: A group of dancers is swimming.
Contradiction: A group of swimmers is sitting on the beach.
Contradiction: A guy is jogging in the park away from the police.
Contradiction: GAO has the power to determine when restrictive comment procedures are needed. 
Contradiction: There was no opposition to it and people hoped there would be a political military element to it.
Contradiction: The couple is laughing.