With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Charles, Prince of Wales sponsors The Prince's Charities.
text_B: In enzymology , a fructuronate reductase is an enzyme that catalyzes the chemical reaction. enzymology. enzymology. enzyme. enzyme. catalyzes. catalysis. chemical reaction. chemical reaction. D-mannonate + NAD + D-fructuronate + NADH + H +. NADH. nicotinamide adenine dinucleotide. Thus , the two substrates of this enzyme are D-mannonate and NAD + , whereas its 3 products are D-fructuronate , NADH , and H + .. enzyme. enzyme. substrates. substrate ( biochemistry ). products. product ( chemistry ). NADH. nicotinamide adenine dinucleotide. This enzyme belongs to the family of oxidoreductases , specifically those acting on the CH-OH group of donor with NAD + or NADP + as acceptor .. enzyme. enzyme. The systematic name of this enzyme class is D-mannonate  : NAD + 5-oxidoreductase .. enzyme. enzyme. oxidoreductase. oxidoreductase. systematic name. List of enzymes. Other names in common use include mannonate oxidoreductase , mannonic dehydrogenase , D-mannonate dehydrogenase , and D-mannonate  : NAD + oxidoreductase .. oxidoreductase. oxidoreductase. This enzyme participates in pentose and glucuronate interconversions .. enzyme. enzyme. pentose and glucuronate interconversions. pentose and glucuronate interconversions
not_related.