Task: Text Categorization
Input (English): As a result of this agreement, Mauritius Burdinus was arrested and imprisoned. One man who signed this agreement came to power after the death of Gelasius II, and the text of this agreement was preserved by Ekkehard of Aura. Burgundy and Italy were excepted from one provision of this agreement. This agreement distinguished between the lance and the ring, which symbolized two different kinds of power that would be officially granted by two different sides to this agreement. It was confirmed a year later at the First Lateran Council. For ten points, name this agreement between Pope Calixtus II and Henry V of the Holy Roman Empire, which ended the investiture controversy.
Output (English): History