Text: Over the years the Arc de Triomphe ' 50 m (164 ft) high and 45 m (148 ft) wide ' has become a symbol of the nation.
Entailment: The Arc de Triomphe, stretching 50 meters into the air, is a symbol of France.
Contradiction: The Arc de Triomphe, now ruined and decaying, has been forgotten by the nation.