Some examples and use cases from the internet:

Some examples and use cases from the internet:

• Mr President, obesity and overweight represent challenges for contemporary society.
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• This may present increased challenges post enlargement.
• So Channing challenges this guy to a dance
• We must meet these challenges together.
• The European Union's energy situation faces many challenges.
• Energy systems are confronted with major challenges.
• Performance audits sometimes pose considerable methodological challenges.

• This waste presents a considerable environmental challenge.
• How to improve activity
• The CFP review provides a challenge and an opportunity.
• Combating poverty and exclusion remains a vital challenge.
• based management is a continual challenge.
• Hunger will be your biggest challenge.
• GMOs are the new challenge facing us.
• The spread of democracy is our greatest challenge.