21.  It is a chief reason both remain the Super Bowl favorites.

22.  Instead he said that the chief reason for the choice was the spontaneous demonstration by members of Congress on the steps on the Capitol the day before.

23.  Most financial advisers would cite the accumulated costs of trading as the chief reason to buy and hold stocks instead.

24.  Only four horses will go to the post despite the large purse, and the chief reason is Touch Gold.

25.  Overcrowding is the chief reason for the outbreak of exercise-related incivility, according to the Allure story.

26.  Ripken, of course, is the chief reason.

27.  Smith thinks the passage of the federal Communications Decency Act is the chief reason for the decline.

28.  That was one of the chief reasons airport officials give for starting the site, which went into operation late last year.

29.  That service was cited by the administration as the chief reason why he was granted a burial waiver for interment in Arlington.