1.   A start-up company with the intention of putting more computer and electronic technology into classrooms has pulled together a group of national sponsors to underwrite the effort.

2.   A start-up company with the intention of putting more computer and electronic technology into classrooms has assembled a group of national sponsors to underwrite the effort.

3.   The American Civil Liberties Union and its Arizona affiliate underwrote the effort, but Mrs. Lewis paid her way to Washington and her expenses there.

4.   The effort is largely underwritten by the United States and run with donated U.S. herbicide and planes, some of which are flown by U.S. pilots.

5.   The effort is underwritten in part by the nonprofit National Tree Trust.

6.   The effort was underwritten by the Carnegie Corporation.