With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Aaliyah sang.
text_B: Liepina is a surname , and may refer to  :. Anita Liepina -LRB- born 1967 -RRB- , Latvian athlete. Anita Liepina. Anita Liepina. Lidija Liepina -LRB- 1891 -- 1985 -RRB- , Latvian chemist. Lidija Liepina. Lidija Liepina. Liga Liepina -LRB- born 1946 -RRB- , Latvian actress. Liga Liepina. Liga Liepina
not_related.