Anchor: It's impossible to even count all of the delightful churches worth visiting in Rome (unofficial counts hover at 250), many of which are commonly stumbled on by accident.
Entailed: Many delightful churches in Rome are found by accident.  
Contradiction: You cannot find any churches in all of Rome.  
Contradiction: A certificate only.
Contradiction: It seems like he isn't ready to retire yet. 
Contradiction: The man was fast asleep in the airplane.
Contradiction: I said the review was favorable.