Example with all variables modifiable

---
rougail:                      # Rougail
  leadership_1:               # A leadership
    - leader: value1          # A leader
      follower: example       # A follower
    - leader: value2          # A leader
      follower: example1      # A follower
  leadership_2:               # A second leadership
    - leader: value1          # A leader
      follower:               # A follower
        - value1
        - value2
    - leader: value2          # A leader
      follower:               # A follower
        - value1
        - value2