With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Year Zero is an album by the band Nine Inch Nails.
text_B: Michael `` Mike '' Willesee -LRB- born 29 June 1942 -RRB- is an Australian television presenter .. Willesee came to prominence in 1967 as a reporter for the ABC 's new nightly current affairs program This Day Tonight -LRB- TDT -RRB- , where his aggressive style quickly earned him a reputation as a fearless political interviewer .. ABC. Australian Broadcasting Corporation. This Day Tonight. This Day Tonight. His wife Australian actress Carol Willesee , who was originally cast in the role of Pippa Fletcher in Home and Away , and had filmed scenes for the pilot episodes -LRB- which were later reshot with Vanessa Downing -RRB- , died in 2006 , aged 59 , from Creutzfeldt -- Jakob disease after being misdiagnosed by hospital .. Pippa Fletcher. Pippa Fletcher
not_related.