With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The Russian foreign ministry made the comments in a statement Saturday evening after the U.N. nuclear agency 's board found that Iran failed to comply with international nuclear safeguard agreements , but did not vote to refer the matter to the U.N. Security Council .
text_B: Evening is a time on the clock
entailed.