With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Usain Bolt has won the title for the 100 m race.
text_B: Miray -LRB- Miri -RRB- is the district center of Andar District , Ghazni Province , Afghanistan .. Province. Provinces of Afghanistan. Ghazni Province. Ghazni Province. Andar District. Andar District. Afghanistan. Afghanistan. It is located at at 2,069 m altitude .. Miray has one High School , Sultan Shahabudden Ghori , and one small Hospital there , a small bazar in which every thing available
not_related.