With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Greyson Chance was born in 1997.
text_B: The Battle of Mud Springs took place February 4 -- 6 , 1865 in Nebraska between the U.S. army and warriors of the Lakota Sioux , Cheyenne , and Arapaho tribes .. Cheyenne. Cheyenne. Lakota. Lakota people. Sioux. Sioux. Arapaho. Arapaho. Nebraska. Nebraska. The battle was inconclusive although the Indians succeeded in capturing some Army horses and a herd of several hundred cattle .. Mud Springs is located eight miles northwest of Dalton , Nebraska and is today a National Historic Site .. Nebraska. Nebraska. National Historic Site. National Historic Sites ( United States )
not_related.