With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Abhinandan Varthaman 's plane was involved in a dog fight with an F-16 jet .
text_B: The following day , the Indian Ministry of External Affairs confirmed that an Indian pilot was missing in action after a MiG-21 Bison fighter plane was lost during dog fight with JF-17 Thunder , while engaging with Pakistani jets that violated the Indian airspace.
REFUTES.