With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Donnie Wahlberg is a fish.
text_B: Ravenhead is an area of St Helens in the North West of England .. St Helens. St Helens, Merseyside. England. England. It is bordered by Thatto Heath , Sutton Heath , Eccleston and the Town Centre .. Thatto Heath. Thatto Heath. The area is thought to take its name from a farm once located nearby -LRB- Ravenhead Farm -RRB- , while the ` head ' portion of the name represents its location at one of the higher points of the town .. In this respect , Ravenhead joins other local placenames such as Burtonhead , Micklehead and Eltonhead .
not_related.