Anchor: Industrious CW-armed terrorists could kill thousands of New York subway riders in a day.
Entailed: Terrorists armed with CW could possibly kill thousands of people within one day.
Contradiction: An attack on the quiet New York subway would result in minimal casualties. 
Contradiction: The woman is clapping.
Contradiction: Two men are strolling in dark clothes.
Contradiction: Two women are talking on a balcony.
Contradiction: A person sleeping