add negotiation to categories
# of patent rights can be found in the PATENTS file in the same directory.
from parlai.tasks.task_list import task_list
-category_order = ['QA', 'Cloze', 'Goal', 'ChitChat', 'Visual']
+category_order = ['QA', 'Cloze', 'Goal', 'ChitChat', 'Negotiation', 'Visual']
category_task_list = {x:[] for x in category_order}
for task_dict in task_list:
