With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: North Korea is bordered by a nation with axe-murderers.
text_B: Georg Lunge -LRB- 15 September 1839 -- 3 January 1923 -RRB- was a German chemist born in Breslau .. Breslau. Breslau. German. Germany. chemist. chemist. He studied at Heidelberg -LRB- under Robert Bunsen -RRB- and Breslau , graduating at the latter university in 1859 , for the work with Ferdinand Cohn .. Breslau. Breslau. Ferdinand Cohn. Ferdinand Cohn. Heidelberg. Heidelberg. Robert Bunsen. Robert Bunsen. Turning his attention to technical chemistry , he became chemist at several works both in Germany and England , and in 1876 he was appointed professor of technical chemistry at ETH Zurich .. Germany. Germany. Zurich. Zurich. ETH Zurich. ETH Zurich. chemist. chemist. England. England. Lunge 's original contributions cover a very wide field , dealing both with technical processes and analysis .. In addition , he was a voluminous writer , enriching scientific literature with many standard works .. His treatises Coal Tar and Ammonia , Destillation des Steinkohlentheers and Sulphuric Acid and Alkali , established his position as the highest authority on these subjects , while the Chemische-technische Untersuchungs-Methoden , to which he contributed , testified to his researches in technical analysis .. His jubilee was celebrated in Zurich on 15 September 1909 .. Zurich. Zurich. He died in Zurich on 3 January 1923 .. Zurich. Zurich
not_related.