21.   Figuring which chocolates to use and in what proportions were the first challenges.

22.   Getting the inmates to stay with the program was the first challenge, Ms. Graney said.

23.   Her first challenge, she says, was getting the institutions to acknowledge the crisis.

24.   Her first challenge, she said, was to convince her colleagues that they had something to learn.

25.   Her first challenge could come quickly.

26.   His first challenge was dealing with a large number of Hispanic officers with discrimination complaints.

27.   His first challenge was simply getting into the field.

28.   His first challenge was to force open the cabin door.

29.   His first challenge was to get people, despite his youth, to take him seriously.

30.   His first challenge will be to get past the Eagles tenacious secondary.