Problem Set Structure: • Problem Section: 200 questions (categorized by difficulty: Beginner, Level 3, Level 2, Level 1) • Answer & Explanation Section: Detailed answers and explanations for all questions Question Categories: • Name Quiz (character names, organization names, item names, etc.) • Dialogue Quiz (catchphrases, habitual sayings, important lines, etc.) • Volume Quiz (volumes containing important episodes) • Trick Quiz (crime tricks and methods) • Item Quiz (details of inventions and tools) • Other (author information, media adaptations, etc.)