With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Seth MacFarlane provided funding for Cosmos: A Spacetime Odyssey, and was instrumental in doing so.
text_B: The karantouzeni is a stringed instrument of the lute family resembling the tambouras , although larger and possessing four strings .. tambouras. tambouras. It is typically used in the `` rebetiko '' revival movement of Greek folk music , a synthesis of the disparate remnants of urban Byzantine culture that was in many places subsumed by the predominant Turkish culture of the Ottoman Empire .. rebetiko. rebetiko. Greek folk music. Greek folk music. Byzantine. Byzantine. Turkish culture. Turkish culture. Ottoman Empire. Ottoman Empire. It is usually tuned in the Ntouzeni style , much like the bouzouki , another pre-Ottoman revival instrument associated with the rebetiko movement .. rebetiko. rebetiko. bouzouki. bouzouki
not_related.