group: mela
task:
  - mela_en
  - mela_zh
  - mela_it
  - mela_ru
  - mela_de
  - mela_fr
  - mela_es
  - mela_ja
  - mela_ar
  - mela_ar
aggregate_metric_list:
  - metric: mcc
    weight_by_size: True
metadata:
  version: 1