11.   This kind of comedy requires disbelief to be suspended from the very highest of branches, so bring an extension ladder.

12.   This kind of software requires a user with very specific desires, with a clear notion of which sites and which information need to be regularly accumulated.

13.   This kind of event requires leisure.

14.   To achieve that kind of development requires exercising against greater resistance than these devices can provide.

15.   Usually, those kinds of alterations require the assistance of an airline ticket agent or travel agent.

16.   What kind of job requires an arborist?

17.   While many other kinds of hearing aids require taking an impression of the ear and having the patient return weeks later, the new device does not.

18.   This kind of abortion requires two visits to the doctor.