With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ketogenic diet contains a nutrient called protein.
text_B: Dhirubhai Thaker -LRB- 27 June 1918 -- 22 January 2014 -RRB- was an Indian Gujarati writer , who was best known for creating the Gujarati Vishwakosh , a 25-volume encyclopedia of the Gujarati language .. Gujarati. Gujarati people. Gujarati Vishwakosh. Gujarati Vishwakosh. Gujarati language. Gujarati language
not_related.