With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Time of Our Lives is Miley Cyrus's first EP.
text_B: No. 42 Wing is a Royal Australian Air Force -LRB- RAAF -RRB- wing responsible for supporting the service 's Boeing E-7A Wedgetail aircraft .. Royal Australian Air Force. Royal Australian Air Force. Boeing E-7A Wedgetail. Boeing 737 AEW&C. wing. Wing ( air force unit ). It was first formed in February 1943 , and commanded RAAF radar stations in north Queensland and the south coast of Dutch New Guinea until being disbanded in October 1944 .. It was re-raised in its current role in 2006 .
not_related.