The phrase "are ticket" is not correct in English and does not convey a clear meaning.
It may be intended to refer to tickets in a specific context, but as it stands, it lacks grammatical structure and clarity.
Example: "The tickets are sold out."
Alternatives: "are tickets available" or "are ticket options".
There are ticket machines at every station.
But what are ticket holders in for?
At most stations there are ticket offices, ticket machines, and a Permit to Travel machine.
There are ticket vendors, auction markets and scalpers galore on the Web.
Add support for authentication indicators, which are ticket annotations to indicate the strength of the initial authentication.
Bill Clinton won there in 1992 and 1996, and many voters now are ticket splitters, fiscally conservative and socially liberal.
Box office returns confirm these are ticket-buying viewers.
In terms of the earlier discussion, capability systems are ticket-oriented, while access control list systems are list-oriented.
The harsh truth, of course, is that people who book for large festivals are ticket-shifters first and foremost, not cultural curators or social subverters.
But what many of these productions lack are ticket-buying multitudes who identify themselves as people of faith, a group rarely courted by Broadway producers offering the sort of focused advertising campaigns that turned movies like "The Passion of the Christ" and "The Blind Side" into unexpected hits.
These observations are important in examining real systems, which usually consist of interacting protection mechanisms, some of which are list-oriented, some of which are ticket-oriented, and some of which provide complete isolation and therefore may happen to be implemented as degenerate examples of either of the other two, depending on local circumstances.
