With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Defeated presidential candidates Mir Hossein Mousavi and Mehdi Karroubi have called for new elections , sparking the ire of backers of re-elected President Mahmoud Ahmadinejad .
text_B: Mehdi Karroubi is a person
entailed.