Anchor: A group of people gather on the street for a celebration.
Entailed: People are celebrating in the street.
Contradiction: People are sitting at home watching tv.
Contradiction: Reducing NOx emissions will have no effect on human health.
Contradiction: A group walk near a barb wire fence.
Contradiction: Long term exposure to fine particulate air pollution and lung cancer cardiopulmonary mortality are not related.
Contradiction: There is more than one stone.