With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Nilotic languages are spoken by only the Pirahã people.
text_B: In most classifications , the Eastern Sudanic languages are a group of nine families of languages that may constitute a branch of the Nilo-Saharan language family .. Nilo-Saharan language family. Nilo-Saharan languages. Sudanic languages. Sudanic languages. Nilo-Saharan. Nilo-Saharan. Eastern Sudanic languages are spoken from southern Egypt to northern Tanzania .. Egypt. Egypt. Tanzania. Tanzania. Sudanic languages. Sudanic languages. Nubian -LRB- and possibly Meroitic -RRB- gives Eastern Sudanic some of the earliest written attestations of African languages .. Nubian. Old Nubian language. Meroitic. Meroitic language. However , the largest branch by far is Nilotic , spread by extensive and comparatively recent conquests throughout East Africa .. Nilotic. Nilotic languages. East Africa. East Africa. Before the spread of Nilotic , Eastern Sudanic was centered in present-day Sudan .. Sudan. Sudan. Nilotic. Nilotic languages. The name `` East Sudanic '' refers to the eastern part of the region of Sudan where the country of Sudan is located , and contrasts with Central Sudanic and West Sudanic -LRB- modern Mande , in the Niger -- Congo family -RRB- .. Sudan. Sudan. region of Sudan. Sudan ( region ). Central Sudanic. Central Sudanic languages. Mande. Mande languages. Lionel Bender -LRB- 1980 -RRB- proposes several Eastern Sudanic isoglosses -LRB- defining words -RRB- , such as * kutuk `` mouth '' , * -LRB- ko -RRB- TVS - -LRB- Vg -RRB- `` three '' , and * ku-lug-ut or * kVl -LRB- t -RRB- `` fish '' .. Lionel Bender. Lionel Bender ( linguist ). In older classifications , such as that of Meinhof -LRB- 1911 -RRB- , the term was used for the eastern Sudanic languages , largely equivalent to modern Nilo-Saharan sans Nilotic , which is the largest constituent of modern Eastern Sudanic .. Nilotic. Nilotic languages. Sudanic languages. Sudanic languages. Nilo-Saharan. Nilo-Saharan. Glottolog -LRB- 2013 -RRB- does not accept that a relationship has been demonstrated between any of the nine families of Eastern Sudanic , nor their connection to a broader Nilo-Saharan phylum .. Nilo-Saharan. Nilo-Saharan. Glottolog. Glottolog
related.