With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Big Six predominate ice hockey, and have since 1950.
text_B: From French `` cul-de-sac '' , meaning a deadlock , literally the bottom -LRB- cul -RRB- of a bag -LRB- sac -RRB- .. A dead end , also known as a cul-de-sac , is a street with only one inlet / outlet .. While historically built for other reasons , one of its modern uses is to calm vehicle traffic .. calm vehicle traffic. traffic calming. The term `` dead end '' is understood in all varieties of English , but the official terminology and traffic signs include many different alternatives .. Some of these are used only regionally .. In the United States and other countries , cul-de-sac -LRB- -LSB- ˈkʌldəsæk -RSB- or -LSB- ˈkʊldəsæk -RSB- -RRB- is often not an exact synonym for dead end and refers to dead ends with a circular end , which makes it easy to turn around .. See below for regionally used terms .
not_related.