1.   Complexity research has attracted a lot of attention, but the field remains contentious.

2.   Only parched, infertile fields remained after months of drought.

3.   Ashcroft might have a chance if the GOP presidential field remains as crowded as it now seems.

4.   But knot theory quickly fell out of favor and the field remained largely dormant for nearly a century.

5.   But the artificial intelligence field remains far short of modeling human consciousness and the inner mind.

6.   But the Little League field remains off limits.

7.   But the party leaders themselves had trouble agreeing on one candidate to back, and the field remained crowded when voters went to the polls on primary day.

8.   However, said Greenbaum, the field remains controversial because few rigorous clinical tests have been carried out.

9.   Or he could benefit, should the entire field remain intact and the black candidates split the black vote.

10.   Since the field still remains relatively new to the public, issues such as training, licensure, and insurance coverage need further clarification.