With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The war , along with several political and economic upheavals , exacerbated ethnic tensions , culminating in April 1994 in a state-orchestrated genocide , in which Rwandans killed up to a million of their fellow citizens , including approximately three-quarters of the Tutsi population .
text_B: Tutsi is a time or duration of time
not-entailed.