With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Modern Family is solely a Dutch television sitcom.
text_B: The Battle of Xuan Loc -LRB- Tran Xuan Loc -RRB- was the last major battle of the Vietnam War in which the Army of the Republic of Vietnam -LRB- ARVN -RRB- committed almost all their remaining mobile forces , especially the South Vietnamese 18th Infantry Division , under General Le Minh Dao to the defence of Xuan Loc , hoping to stall the advance of the North Vietnamese Army .. Vietnam War. Vietnam War. ARVN. ARVN. Xuan Loc. Xuan Loc District. Army of the Republic of Vietnam. Army of the Republic of Vietnam. 18th Infantry Division. 18th Division ( South Vietnam ). The battle was fought between April 9 and 21 , 1975 , and ended when the town of Xuan Loc was captured by the PAVN 4th Army Corps .. Xuan Loc. Xuan Loc District. This was the ARVN III Corps ' last defensive line of South Vietnam 's capital , Sai Gon -LRB- Saigon -RRB- .. ARVN. ARVN. South Vietnam. South Vietnam. Saigon. Saigon. The line connected the city of Binh Duong , Bien Hoa Air Base , Vung Tau , Long An and the lynchpin centered on the strategic city of Xuan Loc , where both the ARVN-JGS and RVNAF-JGS committed the nation 's final reserve forces in Saigon 's defense .. ARVN. ARVN. Xuan Loc. Xuan Loc District. Saigon. Saigon. Once Xuan Loc fell on 21 April 1975 , the PVN battled with the last remaining elements of III Corp Armored Task Force , remnants of the 18th Infantry Division , and depleted ARVN Marine , Airborne and Ranger Battalions in a fighting retreat that lasted nine days , until they reached Saigon and PVN armored columns crashed throughout the gates of South Vietnam 's Presidential Palace on 30 April 1975 , effectively ending the war .. ARVN. ARVN. Xuan Loc. Xuan Loc District. South Vietnam. South Vietnam. Saigon. Saigon. 18th Infantry Division. 18th Division ( South Vietnam ). From the beginning of 1975 , North Vietnam 's military forces swept through the northern provinces of South Vietnam virtually unopposed .. South Vietnam. South Vietnam. North Vietnam. North Vietnam. In the Central Highlands , South Vietnam 's II Corps Tactical Zone was completely destroyed , whilst attempting to evacuate to the Mekong Delta region .. South Vietnam. South Vietnam. Central Highlands. Central Highlands ( Vietnam ). II Corps Tactical Zone. II Corps ( South Vietnam ). Mekong Delta. Mekong Delta. In the cities of Hue and Da Nang , ARVN units simply dissolved without putting up resistance .. ARVN. ARVN. Hue. Hue. Da Nang. Da Nang. The devastating defeats suffered by the Army of the Republic of Vietnam prompted South Vietnam 's National Assembly to question President Nguyen Van Thieu 's handling of the war , thereby placing him under tremendous pressure to resign .. South Vietnam. South Vietnam. Army of the Republic of Vietnam. Army of the Republic of Vietnam. Nguyen Van Thieu. Nguyen Van Thieu. In the last-ditch effort to save South Vietnam , Nguyen Van Thieu ordered his last military units , namely the ARVN 18th Infantry Division `` The Super Men '' , to hold Xuan Loc at all cost .. ARVN. ARVN. Xuan Loc. Xuan Loc District. South Vietnam. South Vietnam. Nguyen Van Thieu. Nguyen Van Thieu. 18th Infantry Division. 18th Division ( South Vietnam ). The North Vietnamese 4th Army Corps , on the other hand , was ordered to capture Xuan Loc in order to open the gateway to Saigon .. Xuan Loc. Xuan Loc District. Saigon. Saigon. During the early stages of the battle , the ARVN 18th Infantry Division managed to beat off early attempts by the Communists to capture the town , forcing North Vietnamese commanders to change their battle plan .. ARVN. ARVN. 18th Infantry Division. 18th Division ( South Vietnam ). However , on April 19 , 1975 , Dao 's forces were ordered to withdraw after Xuan Loc was almost completely isolated , with all remaining units badly mauled .. Xuan Loc. Xuan Loc District. The 18th disintegrated shortly afterward .. This defeat also marked the end of Thieu 's political career , as he resigned on 21 April 1975 .
not_related.