With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Young MC has appeared in plays.
text_B: Matthew Flatt is an American computer scientist and professor at the University of Utah School of Computing in Salt Lake City .. University of Utah School of Computing. University of Utah School of Computing. Salt Lake City. Salt Lake City. He is also a member of the core development team for the Racket programming language .. Racket programming language. Racket ( programming language ). Racket. Racket ( programming language ). Flatt received his PhD at Rice University in 1999 , under the direction of Matthias Felleisen .. Rice University. Rice University. Matthias Felleisen. Matthias Felleisen. His dissertation is on the mechanics of first-class modules and mixin classes .. mixin. mixin. His work triggered research in the ML community on mutually recursive modules and in the object-oriented community on mixins and traits .. ML ( programming language ). object-oriented. object-oriented. Flatt served as one of four editors of the Revised ^ 6 Report on the Scheme programming language .. Scheme. Scheme ( programming language ). The report is influenced by his design of Racket , especially the module system , the exception system , the record system , the macro system , and library links .. Racket. Racket ( programming language )
not_related.