With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Italy is on Mars.
text_B: The Battle of Saint Mary 's Church -LRB- also called Samaria Church in the South , or Nance 's Shop -RRB- was an American Civil War cavalry battle fought on June 24 , 1864 , as part of Union Lt. Gen. Ulysses S. Grant 's Overland Campaign against Confederate Gen. Robert E. Lee 's Army of Northern Virginia .. American Civil War. American Civil War. Union. Union Army. South. Southern United States. cavalry. cavalry. Ulysses S. Grant. Ulysses S. Grant. Overland Campaign. Overland Campaign. Confederate. Confederate States Army. Robert E. Lee. Robert E. Lee. Army of Northern Virginia. Army of Northern Virginia. As Maj. Gen. Philip Sheridan 's Union cavalry of the Army of the Potomac returned from their unsuccessful raid against the Virginia Central Railroad and the Battle of Trevilian Station , they gathered up supply wagons from the recently abandoned supply depot at White House and proceeded toward the James River .. Union. Union Army. cavalry. cavalry. Philip Sheridan. Philip Sheridan. Union cavalry. Cavalry Corps ( Union Army ). Army of the Potomac. Army of the Potomac. Virginia Central Railroad. Virginia Central Railroad. Battle of Trevilian Station. Battle of Trevilian Station. White House. White House Landing, Virginia. James River. James River ( Virginia ). On June 24 , the Confederate cavalry under Maj. Gen. Wade Hampton attacked the column of Brig. Gen. David McM .. Wade Hampton. Wade Hampton III. cavalry. cavalry. Confederate. Confederate States Army. Gregg 's division at St. Mary 's Church .. The Confederates outnumbered the Union cavalrymen five brigades to two and were able to drive them from their breastworks , but Gregg 's men successfully screened the wagon train , which continued to move unmolested to the James .. Union. Union Army
not_related.