With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Snoop Dogg has an album called Da Game Is to Be Sold, Not to Be Told.
text_B: Nguyen Ngoc Đo was a Mikoyan-Gurevich MiG-21 pilot of the Vietnamese People 's Air Force .. Mikoyan-Gurevich MiG-21. Mikoyan-Gurevich MiG-21. He flew with the 921st fighter regiment and tied for fourth place amongst Vietnam War fighter aces with six kills .. Vietnam War. Vietnam War. The following kills are known to be credited to him by the VPAF  :. 30 April 1967 , a USAF F-105D -LRB- serial number 59-1726 , 354th Tactical Fighter Squadron , pilot R. Abbott -RRB- ;. USAF. US Air Force. F-105D. F-105. 20 July 1967 , an American F-4 Phantom II -LRB- shared kill with Pham Thanh Ngan -RRB- ;. F-4 Phantom II. F-4 Phantom II. Pham Thanh Ngan. Pham Thanh Ngan. 16 September 1967 , a USAF RF-101C -LRB- serial number 56-0180 , 20th Tactical Reconnaissance Squadron , pilot Bagley -RRB- .. USAF. US Air Force. RF-101C. F-101 Voodoo
not_related.