With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mauritius is an island nation with high marks in democracy, economy, and politics.
text_B: The Marvelous Marvelettes is the fourth studio album released by the Marvelettes for the Tamla label .. studio album. studio album. the Marvelettes. the Marvelettes. Tamla. Tamla. It is the first album to not feature original Marvelette , Juanita Cowart , who opted out of the group in early 1963 citing a mental breakdown -- caused by stress from performing on the road and a mistake she made in describing the group 's background during an appearance on American Bandstand .. American Bandstand. American Bandstand. The album features three singles  : ` Strange I Know ' -LRB- # 49 US , # 10 R&B -RRB- ` Locking Up My Heart ' -LRB- # 44 US , # 25 R&B -RRB- .
not_related.