Anchor: Police in riot gear are walking down a street.
Entailed: There are police walking along a street.
Contradiction: A group of hippies are walking down a street.
Contradiction: A young boy gets into a van after his soccer match is over.
Contradiction: They are not all the same.
Contradiction: There's no need to ask at tourist offices for information about bike tours of places such as Fontainebleau.
Contradiction: The people are having a chat.