Anchor: 5) They've relaxed their enmity precisely because they've shown each other their nuclear weapons.
Entailed: They showed their nuclear weapons to those who asked.
Contradiction: They both refused to show their nuclear weapons.
Contradiction: They were screaming across the dining table. 
Contradiction: Two women are outside together.
Contradiction: A group of men getting dressed in a locker room.
Contradiction: A man is cleaning windows.