With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Reese Witherspoon made her NBA debut for the Houston Rockets.
text_B: Taiga is a free and open-source project management system for startups , Agile developers , and designers .. open-source. open-source. project management. project management. Agile. Agile software development. Its frontend is written in AngularJS and CoffeeScript ; backend , in Django and Python .. AngularJS. AngularJS. CoffeeScript. CoffeeScript. Django. Django ( web framework ). Python. Python ( programming language ). Taiga is released under GNU Affero General Public License .. GNU Affero General Public License. Affero General Public License
not_related.