1.  Is this why so many comedians are double-acts, to frame and define the joke, by providing the necessary response, if no one else laughs?

2.  Correction officials, however, say the transfer was a necessary response to dangerous overcrowding.

3.  Grasso has told exchange members that a move to extend trading would be a necessary competitive response, but one that the exchange would not take on its own.

4.  Rem Koolhaas talks about Bigness as a necessary response to the fragmented urban center.

5.  She doubted that it was a widespread sentiment but defended her advertising strategy as a necessary response to her opponent.

6.  The district attorney, Denis Dillon, said that he intended to oppose the motion and would file the necessary response in due course.

7.  He said it was a necessary response to the escalation of violence over the past weeks.

8.  Most staffers thought the action was a necessary response to the general economic slowdown.

9.  Vacationing in Texas, Bush defended the missions as a necessary response to Iraqi provocations.

10.  We envisaged that something like this would happen and we have put the necessary response in place already.