The main problem can be broken down into several sub-problems.

She has a lot of champagne problems.

Pseudo-problems are often created by overthinking.

I enjoy solving toy problems in my free time.

Bongard problems are a collection of puzzles that test pattern recognition and logical reasoning skills.

Optimization problems can be challenging to solve.

He has been struggling with his drink problems for years.

Frame problems can be challenging to solve.

The museum problems were caused by a lack of funding.

The secretary problems were discussed at the meeting.