1. Allen Institute for AI, USA. shannons@allenai.org
2. Allen Institute for AI, USA. kylel@allenai.org
3. Allen Institute for AI, USA. lucyw@allenai.org
4. Allen Institute for AI, USA. baileyk@allenai.org
5. Allen Institute for AI, USA
6. University of Washington, USA. danw@allenai.org
7. Northwestern University, USA. dougd@allenai.org