I need a prolog teaser question answered

Prolog Teaser Question Answering Assistance Needed

Overview:
I am seeking help with solving a specific problem in Prolog. I have a deadline of within 24 hours for this project.

Requirements:
- Strong proficiency in Prolog programming language
- Experience with syntax, debugging, and optimization in Prolog
- Ability to quickly analyze and solve complex Prolog problems
- Excellent problem-solving skills and attention to detail

Deliverables:
- Answer to the specific question or problem in Prolog
- Well-commented and organized code
- Documentation of the solution approach, if applicable

Deadline:
The project must be completed within 24 hours.

Please provide examples of previous Prolog projects or relevant experience when submitting a proposal.