With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The English Civil War was between Parliamentarians and Royalists.
text_B: Rainbow District School Board -LRB- known as English-language Public District School Board No. 3 prior to 1999 -RRB- covers a geographic area of more than 14,757 square kilometers in the heart of the Rainbow Country local services district and is the largest public school board in Northern Ontario .. Rainbow Country. Rainbow Country. The Board offers English language and French Immersion programs .. Rainbow District School Board provides programs and character education to students in Sudbury , Espanola , Manitoulin , and Shining Tree in 35 elementary schools and 10 secondary schools .. Sudbury. Sudbury, Ontario. Espanola. Espanola, Ontario. Manitoulin. Manitoulin. Shining Tree. Shining Tree, Ontario. The Board also operates educational programs at the Ruth MacMillan Centre , Frank Flowers School , Cecil Facer Secondary School , Barrydowne College and the N'Swakamok Native Alternative School .
not_related.