With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Usain Bolt achieved the presidential feat.
text_B: Burbank High School is the flagship public high school in Burbank , California , USA .. It opened on September 14 , 1914 , and its inaugural class had 334 students .. It is a part of the Burbank Unified School District .. Burbank Unified School District. Burbank Unified School District. The area had previously been served by the Glendale Union High School District .. Glendale Union High School District. Glendale Union High School District ( California ). Burbank High began an extensive facility update in 2003 , and its first phase of reconstruction was a building housing new classrooms for the entire school .. By 2005 , the campus also had a new gym , pool , visual and performing arts center , parking structure , athletic field , and tennis courts .. In addition to a core curriculum that satisfies the University of California A-G requirements , Burbank High offers 17 Honors and Advanced Placement classes , a wide variety of visual arts classes , career technical classes and nationally recognized performing arts .. In the past several years , the Academic Performance Index score -LRB- derived from State Testing -RRB- has risen by 95 points to a score of 806 .. No other school in the State with similar demographics made this amount of gain .
not_related.