With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Two former chief justices of Pakistan , Sajjad Ali Shah and Seeduzzaman Siddiqui , and two former National Assembly speakers , Elahi Bakhsh Soomro and Syed Fakhar Imam , are among the eight prominent personalities who signed the letter .
text_B: Shah is a person
entailed.