With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Doctor is from earth.
text_B: Las Casas Occupational High School was an alternative high school located at 8401 South Saginaw Avenue in the South Chicago area of Chicago , Illinois , United States .. South Chicago. South Chicago, Chicago. Chicago. Chicago. Illinois. Illinois. United States. United States. The school , a part of Chicago Public Schools -LRB- CPS -RRB- , intended to educate autistic , cognitively delayed , and behavior disordered students so they could take jobs .. Chicago. Chicago. Chicago Public Schools. Chicago Public Schools. autistic. autism. By February 2009 , CPS announced that the school would close because of building deficiencies and layout problems .. The school was given a reprieve , and was eventually closed at the end of the 2010-11 school year .
not_related.