The BulTreeBank version with Universal Dependencies (BTB-UD) is distributed
under the following license:
CC BY-NC-SA 3.0.

For informal information please see here:
http://creativecommons.org/licenses/by-nc-sa/4.0/.
For formal representation please see here:
http://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.