With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rebecca Hall appeared in The Town.
text_B: The European Atlas of the Seas is an interactive electronic atlas on the coasts and seas within and around Europe .. Europe. Europe. The atlas is freely accessible on the internet and is available in English , French and German .. It is provided by the European Commission , Directorate-General for Maritime Affairs and Fisheries , in the context of the implementation of the integrated maritime policy -LRB- Communication ` An Integrated Maritime Policy for the European Union ' , COM -LRB- 2007 -RRB- 575 final , 10 / 10 / 2007 -RRB- .. European Commission. European Commission. Other names  : European atlas of the oceans , European coastal atlas , European maritime atlas , European marine atlas
not_related.