With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: In separate press releases Sunday , the Karen National Union and the Shan Democratic Union backed a report by former Czech President Vaclav Havel and retired South African Archbishop Desmond Tutu calling for Security Council intervention .
text_B: Vaclav Havel is a time on the clock
not-entailed.