Anchor: You must be 18 or over and have a clean driving licence.
Entailed: You have to be at least 18 and have a clean driving licence.
Contradiction: You can be any age, and no one will look at your driving licence. 
Contradiction: There has been never been any report on leopard sightings in the jungle
Contradiction: a group of people stand in a group looking at something
Contradiction: The sculpture is made of marble
Contradiction: These are perfect conditions for deciding about substance tests.