With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Douglas Aircraft Company was founded in 1993.
text_B: Jason Weaver -LRB- born 9 February 1972 -RRB- is a former British flat racing jockey who had much of his major success in the mid-1990s .. British. United Kingdom. flat racing. flat racing. jockey. jockey. In total , Weaver rode more than 1,000 winners in a career which spanned fourteen years .
not_related.