Sleeping Beauty problems can be quite challenging.

Behrens-Fisher problems are statistical problems that involve comparing the means of two populations.

Principal-agent problems can arise when there is a misalignment of incentives between the principal and the agent.

The kidnapped robot problems were finally resolved.

First World problems can sometimes seem trivial compared to the challenges faced by those in less privileged circumstances.

Stable marriage problems can be solved using the Gale-Shapley algorithm.

Stable matching problems are commonly encountered in various fields such as economics and computer science.

The project faced several problematic issues that were difficult to overcome.

The problematic has been identified and will be addressed.

I have a problem with my computer.