With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Jones (video game developer) is Scottish.
text_B: Barbituric acid or malonylurea or 6-hydroxyuracil is an organic compound based on a pyrimidine heterocyclic skeleton .. organic compound. organic compound. pyrimidine. pyrimidine. heterocyclic. heterocyclic. It is an odorless powder soluble in water .. Barbituric acid is the parent compound of barbiturate drugs , although barbituric acid itself is not pharmacologically active .. barbiturate. barbiturate. It remains unclear why the German chemist Adolf Baeyer chose to name the compound that he discovered `` barbituric acid '' .. In his textbook Organic Chemistry , the American organic chemist Louis Frederick Fieser -LRB- 1899 -- 1977 -RRB- initially speculated that the name stemmed from the German word Schlusselbart -LRB- literally , the beard -LRB- Bart ; Latin  : barba -RRB- of a key -LRB- Schlussel -RRB- ; that is , the bit of a key -RRB- , because Baeyer had regarded barbituric acid as central -LRB- or `` key '' -RRB- to understanding uric acid and its derivatives .. Louis Frederick Fieser. Louis Fieser. bit. Bit ( key ). However , Fieser subsequently decided that Baeyer had named the compound after a young lady whom he 'd met and who was called `` Barbara '' ; hence the name `` barbituric acid '' was a combination of the name `` Barbara '' and `` uric acid '' .. Other sources claim that Baeyer named the compound after Saint Barbara , either because he discovered it on the feast day of St. Barbara -LRB- December 4th -RRB- or because he sometimes lunched with artillery officers and St. Barbara is their patron saint .. Saint Barbara. Saint Barbara
not_related.