With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Machine Gun Kelly (rapper) released a musical work called Lace Up.
text_B: The Nadas River -LRB- Nadas -RRB- is a tributary of the Rica River in Romania .. Romania. Romania. Rica. Rica River ( Cormos ). tributary. tributary. Rica River. Rica River ( Cormos ). The name in Hungarian means `` reedy '' .. The Romanian name derives from that .
not_related.