With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Facebook expanded to higher education institutions of the Boston area.
text_B: Łodzka Kolej Aglomeracyjna -LRB- Łodz Agglomeration Railway or Łodz Commuter Railway -RRB- is a commuter rail service operating between the Polish city of Łodz and surrounding towns in the Łodz Voivodeship -LRB- province -RRB- .. Łodz. Łodz. Łodz Voivodeship. Łodz Voivodeship. commuter rail. commuter railway. Polish. Poland. The company was founded in 2010 .. It is fully owned by the Łodz Voivodeship government .. Łodz. Łodz. Łodz Voivodeship. Łodz Voivodeship
not_related.