With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Arrow has a producer.
text_B: Christopher Kostow -LRB- born 1976 -RRB- is Executive Chef at The Restaurant at Meadowood in Napa Valley , California .. California. California Cuisine. The Restaurant at Meadowood. The Restaurant at Meadowood. Under Chef Kostow , The Restaurant was awarded three stars from the Michelin Guide in 2011 , 2012 , 2013 , 2014 , 2015 .. Michelin Guide. Michelin Guide. In 2013 , Chef Kostow was awarded the James Beard Foundation Award for `` Best Chef  : West . ''. James Beard Foundation Award. James Beard Foundation Award
not_related.