How to fit ten horses in 9 stables

Question: There are ten horses in a field. They each have a stable. There was a storm one day and struck one of the stables. The stable burned. There are now 9 stables. Every horse has to go in a stable at night. You can't build another stable and you can't fit 2 horses in one stable. How do you fit ten horses in 9 stables?

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