With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Back Off Boogaloo was an album released by Ringo Starr.
text_B: Lake Elton is a salt lake in Volgograd Oblast , Russia , near the border with Kazakhstan .. Volgograd Oblast. Volgograd Oblast. salt lake. salt lake. Russia. Russia. Kazakhstan. Kazakhstan. It has an area of 150 km ² and is from 0.3 to 0.6 m deep .
not_related.