With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: NASA is overseeing the completion of the Orion Multi-Purpose Crew Vehicle.
text_B: Xiong Dunhan -LRB- 熊敦瀚 born 11 November 1998 -RRB- is a water polo player of China .. Xiong. Xiong ( surname ). China. China. water polo. water polo. She was part of the Chinese team at the 2015 World Aquatics Championships , and the 2016 Summer Olympics .. 2015 World Aquatics Championships. Water polo at the 2015 World Aquatics Championships – Women's tournament. 2016 Summer Olympics. 2016 Summer Olympics
not_related.