With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: State Administration of Coal Mine Safety head Zhao Tiechui said Monday that about 2,600 mines will close by the end of this year , with 2,200 more closing in 2007 .
text_B: Zhao Tiechui is a day of the month
not-entailed.