With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Warren Buffett is a business magnate.
text_B: Matthew Arnold School is a co-educational secondary school with academy status located in Staines-upon-Thames , Surrey , England .. Staines-upon-Thames. Staines-upon-Thames. secondary school. secondary school. academy status. Academy ( English school ). Surrey. Surrey. The school educates pupils from the age of 11 -LRB- `` Year 7 '' -RRB- to 16 -LRB- `` Year 11 '' -RRB- .
not_related.