She says each tragedy has a unique set of circumstances.

Each region, state, even city, has a unique set of energy needs, problems, resources, and human values.

These unique sets gave off a strong sense of theater.

In this game each turtle has his own unique set of levels to complete.

Each case will turn on its own unique set of circumstances.

Each turtle has his own unique set of levels to complete.

Each case is determined on its own unique set of circumstances.

Each ship has a unique set of weapons and resources.

But the Jets also face a unique set of problems.

Each class has a unique set of skills that it is talented with.