They do provide challenges at the higher end, but that's all.

This fall the Republicans hope to provide a more serious challenge.

It provided a challenge and gave him something else to think about.

But two of the players expected to provide a late challenge disappeared from the draw.

But they were definitely going to provide a formidable challenge.

The rise of the Internet and technology in general provide new challenges for modern couples.

This provided a challenge to some governments, which had no choice but to change in the face of overwhelming force.

Other reasons for pupils' absence can provide challenges to the school.

But he believes the world number 15 will still provide a stern challenge when they meet each other again on Wednesday.

The legal situation provided a constant challenge to the organizers and production staff.