With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Matt Sorum's touring project Kings of Chaos features members of Def Leppard.
text_B: Bolbeno -LRB- Bulben , in local dialect  : Bolben -RRB- is a comune -LRB- municipality -RRB- in Trentino in the northern Italian region Trentino-Alto Adige / S udtirol , located about 30 km west of Trento .. Trentino. Trentino. comune. Communes of Trentino. Italian. Italy. Trento. Trento. As of 31 December 2004 , it had a population of 356 and an area of 12.5 km2 .. Bolbeno borders the following municipalities  : Preore , Tione di Trento , Tione di Trento , Bleggio Superiore , Bondo , Breguzzo , and Zuclo .. Trento. Trento. Preore. Preore. Tione di Trento. Tione di Trento. Bleggio Superiore. Bleggio Superiore. Bondo. Bondo, Trentino. Breguzzo. Breguzzo. Zuclo. Zuclo
not_related.