1.   Another man challenged her contention that she would do something about pollution in Greenpoint, saying all politicians promised the world during campaigns and did nothing once elected.

2.   But even that contention was challenged by family and friends.

3.   But some analysts challenged the contention that those were not operating items and said the real operating figure was lower.

4.   HMOs challenge this contention, and the government is not issuing detailed data to show the number of complaints from patients with different types of insurance coverage.

5.   Kennedy challenged the contention that the tobacco industry has suddenly adopted a new and responsible public attitude.

6.   Prosecutors are expected to use that statement to challenge defense contentions that Lewis, the All-Pro linebacker charged with murder, tried to be a peacemaker.

7.   Some scientists challenge his contentions, though.

8.   But that contention was challenged by several state legislators and health insurance providers.

9.   The board, the lead investigator in transportation accidents, challenges that contention.