With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Twilight Saga's most costly installment is New Moon.
text_B: Runbox Solutions AS is a company that provides e-mail and web hosting services worldwide .. Aksjeselskap. Runbox Solutions was founded in March 2011 and is headquartered in Oslo , where the Runbox services were launched in 2000 .. Oslo. Oslo. Mainly employee-owned , Runbox Solutions works closely with , and is partially owned by , Copyleft Solutions AS .. Aksjeselskap
not_related.