Chinastark/bird_dataset huggingface dataset:
Column: pid
Name: page id
Data format: integer
Description: page id of Wikipedia about Catalan language
Column: lid
Name: language id
Data format: integer
Description: language id 
Value description: commonsense evidence: 
lid=1 means it's Catalan language
Column: page
Data format: integer
Description: wikipedia page id
Column: revision
Data format: integer
Description: wikipedia revision page id
Column: title
Data format: text
Description: The title of this Catalan language Wikipedia page
Column: words
Data format: integer
Description: number of different words in this page