With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Former Prime Minister Nawaz Sharif , the head of the Pakistan Muslim League ( N ) , has indicated his party could join the opposition if the PPP does not agree by Monday to restore judges fired by former President Pervez Musharraf .
text_B: President is a person 's title
entailed.