With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Marc Maron was the host of The Tonight Show.
text_B: The 2006 Laurence Olivier Awards were held in 2006 in London celebrating excellence in West End theatre by the Society of London Theatre .. Olivier Awards. Laurence Olivier Award. West End theatre. West End theatre. Society of London Theatre. The Society of London Theatre
not_related.