With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Girl on the Train was written.
text_B: Batch production is a technique used in manufacturing , in which the object in question is created stage by stage over a series of workstations , and different batches of products are made .. Together with job production -LRB- one-off production -RRB- and mass production -LRB- flow production or continuous production -RRB- it is one of the three main production methods .. job production. job production. mass production. mass production. Batch production is most common in bakeries and in the manufacture of sports shoes , pharmaceutical ingredients -LRB- APIs -RRB- , purifying water , inks , paints and adhesives .. APIs. Active ingredient. In the manufacture of inks and paints , a technique called a colour-run is used .. A colour-run is where one manufactures the lightest colour first , such as light yellow followed by the next increasingly darker colour such as orange , then red and so on until reaching black and then starts over again .
not_related.