With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: JSA Research defence analysist Paul Nesbit said that Maintenance , Repair and Overhaul ( MRO ) operations across the aircraft 's fifty-year service life could push the value of the contract as high as US $ 100 billion .
text_B: The saying did not happen
not-entailed.