With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Two hundred members of the Batawi clan of the Dulaim demonstrated in Baghdad on Friday , protesting the killing of their clan elder , Shaikh Kadhim Sarhid and 4 of his sons , by gunmen wearing Iraqi army uniforms .
text_B: The protesting happened
entailed.