With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Papua New Guinea occupies the eastern side of New Guinea.
text_B: Amassakoul -LRB- `` The Traveler '' in Tamashek -RRB- is a 2004 album by Tinariwen .. Tinariwen. Tinariwen. Tamashek. Tamashek. 2004 in music. album. album. The song `` Chet Boghassa '' on this album was later covered by Mdou Moctar .. album. album. Mdou Moctar. Mdou Moctar
not_related.