Who pays for your student loans?
If you're a student in England who's just taken one out, or a recent graduate staring at your monthly statement, you'll answer "I do".
The public debate about whether students are taking on too much debt has led to a big review of how to pay for your education beyond the age of 18.
Tuition fees in England have become a knotty political problem.
And there's more than one group of people trying to untangle it at the moment.
Back to that question of who pays.
How much you repay as a graduate depends on how much you earn - 9% of everything over £25,000 a year.
So most people will never fully repay their debt, that's how the system is designed.
When loans get written off in 30 years' time the taxpayer picks up the bill.