With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Quentin Tarantino's screenplay for My Best Friend's Birthday formed the basis for the film True Romance.
text_B: In enzymology , a hydroxypyruvate reductase is an enzyme that catalyzes the chemical reaction. enzymology. enzymology. enzyme. enzyme. catalyzes. catalysis. chemical reaction. chemical reaction. hydroxypyruvate. hydroxypyruvate. D-glycerate + NAD -LRB- P -RRB- + hydroxypyruvate + NAD -LRB- P -RRB- H + H +. D-glycerate. D-glycerate. hydroxypyruvate. hydroxypyruvate. The 3 substrates of this enzyme are D-glycerate , NAD + , and NADP + , whereas its 4 products are hydroxypyruvate , NADH , NADPH , and H + .. enzyme. enzyme. substrates. substrate ( biochemistry ). D-glycerate. D-glycerate. products. product ( chemistry ). hydroxypyruvate. hydroxypyruvate. NADH. nicotinamide adenine dinucleotide. NADPH. nicotinamide adenine dinucleotide phosphate. 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-glycerate  : NADP + 2-oxidoreductase .. enzyme. enzyme. D-glycerate. D-glycerate. oxidoreductase. oxidoreductase. systematic name. List of enzymes. Other names in common use include beta-hydroxypyruvate reductase , NADH  : hydroxypyruvate reductase , and D-glycerate dehydrogenase .. D-glycerate. D-glycerate. hydroxypyruvate. hydroxypyruvate. NADH. nicotinamide adenine dinucleotide. This enzyme participates in glycine , serine and threonine metabolism and glyoxylate and dicarboxylate metabolism .. enzyme. enzyme. glyoxylate and dicarboxylate metabolism. glyoxylate and dicarboxylate metabolism
not_related.