With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Israeli officials say the buildings they targeted were used by Fatah-linked militants of the al-Aqsa Martyrs Brigades , which claimed reponsibility Monday 's rocket attack against Israel .
text_B: Al-Aqsa Martyrs Brigades is a calendar year
not-entailed.