Here's how the descriptions can be assigned to the appropriate groups:
Sunnis:
- The majority of Muslims are in this group.
- This group views the Quran as the holy book of Islam.
Shias:
- This group believes only descendants of Muhammad should be caliph.
- This group views the Quran as the holy book of Islam. (This description can also apply to Shias, as both groups view the Quran as the holy book of Islam.)
Let me know if you need any more assistance!