1. Root Cause 1
   1. Proof 1
   2. Proof 2
2. Root Cause 2
   1. Proof 1
   2. Proof 2
3. Root Cause 3
   1. Proof 1
   2. Proof 2
4. Root Cause 4
   1. Proof 1
   2. Proof 2
5. Root Cause 5
   1. Proof 1
   2. Proof 2
6. Root Cause 6
   1. Proof 1
   2. Proof 2