With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Modern liberalism in the United States strongly endorses public spending.
text_B: TAE buffer is a buffer solution containing a mixture of Tris base , acetic acid and EDTA .. buffer solution. buffer solution. Tris base. Tris base. acetic acid. acetic acid. EDTA. EDTA. In molecular biology it is used in agarose electrophoresis typically for the separation of nucleic acids such as DNA and RNA .. electrophoresis. electrophoresis. nucleic acids. nucleic acids. DNA. DNA. RNA. RNA. It is made up of Tris-acetate buffer , usually at pH 8.3 , and EDTA , which sequesters divalent cations .. EDTA. EDTA. Tris-acetate. Tris-acetate. TAE has a lower buffer capacity than TBE and can easily become exhausted , but linear , double stranded DNA runs faster in TAE .. DNA. DNA. TBE. TBE buffer. Recently , Brody & Kern simplified electrophoretic buffers by substituting TBE and TAE buffers for a more efficient and inexpensive conductive media in gel systems .. TBE. TBE buffer
not_related.