Anchor: A group of people huddled together behind a yellow gate.
Entailed: A group of people are together by a gate.
Contradiction: The people are standing on the escalator.
Contradiction: The cowboy is riding his black pony.
Contradiction: Huffington underwent a transformation so he is not like Buchanan any more.  
Contradiction: The counterparts did not play along.
Contradiction: There are situations in which no historical data is available for entities.