Possible Clues:

• Confinement which sounds yellow?
• Guardianship or imprisonment
• Divorce issue, often
• Copper's now without a place for suspect
• Keeping out 50% of cuddly toys
• A police holding you and me to 500 inside
• Charge for lock-up?
• Detention somewhat like a trifle, say?
• Keeping like a sweet sauce, say
• Right of guardianship of a minor