For example, while anyone aged 60 and over is entitled to free prescriptions and NHS sight tests, you only get free dental check-ups if you live in Wales.
Last month, on a rare visit to the UK, he gave a lecture at Cambridge University – an institution that turned him down for post-graduate study over 50 years ago – entitled "Nigeria's Painful Transitions".
Land is parceled out to peasant proprietors: traditionally, every male age 16 or over was entitled to an allotment of 7.5 acres (3 hectares) of land for cultivation; more recently, population growth has reduced the size of actual allotments in many places.
There are also clubs for ghost-hunting, chess and gays and, naturally, a puzzle sheet for the spooks to crack over breakfast, entitled Kryptos.Yet Mr Snowden's revelations have caused additional perspiration in the doughnut, because they have been deeply compromising.
Even the way Trump beckoned Perry over was entitled.
When Barron arrived in the Mediterranean, his seniority of rank over Preble entitled him to assume the duties of Commodore.
A minority of patients, those on low incomes and the majority of those aged 70 and over, are entitled to "medical cards" which allow free access to GPs and hospitals [ 11].
Scotland's spending watchdog has raised serious concern over the scheme entitling over-60s to free bus travel.
The winter fuel allowance, indeed, is anti-means tested, in so far as anyone at all, over 60, is entitled to it, unless there's a question mark over their immigration status, in which case we refer you to the Citizens Advice Bureau.
Remarkably engineered, it contained over 40 inventions entitled to basic patents.
