With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ed Solomon was born on September 15, 1920.
text_B: The Teesside trolleybus system once served the conurbation of Teesside , in the North East of England .. Teesside. Teesside. conurbation. conurbation. North East. North East England. England. England. trolleybus. trolleybus. Opened on , it was unusual in being a completely new system that was not replacing any previously operating tramway network .. By the standards of the various now defunct trolleybus systems in the United Kingdom , the Teesside system was a small one , with a total of three routes , and a maximum fleet of only 21 trolleybuses .. Teesside. Teesside. trolleybus. trolleybus. United Kingdom. United Kingdom. However , it was unusually long-lasting , as it did not close until , and was therefore the penultimate system in the UK to do so .. Three of the former Teesside system trolleybuses are now preserved , one of them at Black Country Living Museum , Dudley , West Midlands , one at the Kirkleatham Old Hall Museum , and the third one near the Trolleybus Museum at Sandtoft , Lincolnshire .. Teesside. Teesside. Black Country Living Museum. Black Country Living Museum. Dudley. Dudley. West Midlands. West Midlands ( county ). Kirkleatham Old Hall Museum. Kirkleatham#Kirkleatham Old Hall. the Trolleybus Museum at Sandtoft. the Trolleybus Museum at Sandtoft. Lincolnshire. Lincolnshire
not_related.