Read the incomplete summary of “The Dare Plague.”

The students at Bentham House boarding school start with simple pranks toward each
other. They tire of these quickly and move on to daring each other to turn in incomplete
assignments and use the dares as excuses. Eventually, the masters discover the dare pranks
and make a plan to bring them to an end.
Which sentence should be added to make a complete and accurate summary?

The masters develop a series of punishments to deter the students from participating in dares and restore order at the school.