With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Haim Saban is an elderly Israeli-American film producer.
text_B: The 2008 Glastonbury Festival of Contemporary Performing Arts was held from 27 to 29 June 2008 .. Glastonbury Festival of Contemporary Performing Arts. Glastonbury Festival
not_related.