With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Ronald D. Vitiello was appointed as Acting Chief of the United States Border Patrol in 2015 .
text_B: Mark Morgan was named the Chief of the United States Border Patrol in an official government email by CBP Commissioner Gil Kerlikowske on June 20 , 2016.
NOT ENOUGH INFO.