With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Systemic corruption since independence in 1960 and conflict that began in May 1997 has dramatically reduced national output and government revenue , increased external debt , and resulted in the deaths of more than 5 million people from violence , famine , and disease .
text_B: 1997 is a calendar year
entailed.