difference between wsc and wsc.fixed for superglue
{'login': 'ghost', 'id': 10137, 'node_id': 'MDQ6VXNlcjEwMTM3', 'avatar_url': 'https://avatars.githubusercontent.com/u/10137?v=4', 'gravatar_id': '', 'url': 'https://api.github.com/users/ghost', 'html_url': 'https://github.com/ghost', 'followers_url': 'https://api.github.com/users/ghost/followers', 'following_url': 'https://api.github.com/users/ghost/following{/other_user}', 'gists_url': 'https://api.github.com/users/ghost/gists{/gist_id}', 'starred_url': 'https://api.github.com/users/ghost/starred{/owner}{/repo}', 'subscriptions_url': 'https://api.github.com/users/ghost/subscriptions', 'organizations_url': 'https://api.github.com/users/ghost/orgs', 'repos_url': 'https://api.github.com/users/ghost/repos', 'events_url': 'https://api.github.com/users/ghost/events{/privacy}', 'received_events_url': 'https://api.github.com/users/ghost/received_events', 'type': 'User', 'site_admin': False}
[]
[]
From the description given in the dataset script for `wsc.fixed`:
```
This version fixes issues where the spans are not actually substrings of the text.
```
Hi
I see two versions of wsc in superglue, and I am not sure what is the differences and which one is the original one. could you help to discuss the differences? thanks @lhoestq 
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