With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: As I have told RNR , I think we should advise Duke in writing that its IP is not in conformity with the contract , since it is in the alternative , and that our IP is hence the only one that will be before the arbitrators ( since Duke clearly can not change it 's ineffective IP at this stage , having already seen ours ) .
text_B: The thinking happened
entailed.