With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Joe asked that you fax the revised gtee wording that has been agreed ( I believe it was our agreeing to reduce the claim period from 15 days down to 5 ) and the new l/c wording ( drops the 2 day period to replace an l/c with a different bank if the first refuses to pay ) .
text_B: The dropping did not happen
entailed.