Anchor: A man in a black shirt sings into a microphone.
Entailed: A man is singing.
Contradiction: A man in a black shirt sings without a microphone.
Contradiction: A man in a suit fiddles with something in his hand.
Contradiction: Certain factual information is being sought by us.
Contradiction: Hyskos rule is known to have lasted centuries. 
Contradiction: A man is active