Question: Who claimed responsibility for the hotel attack that killed Carsten Thomassen?
Related documents: [0]  [DOC] Carsten Thomassen (15 May 1969 – 14 January 2008) was a Norwegian journalist, political commentator and war correspondent for the Norwegian daily newspaper "Dagbladet". He had earlier covered the 2004 Indian Ocean earthquake from Thailand and Indonesia. He was killed in the 2008 Kabul Serena Hotel attack in Kabul, Afghanistan. [END] 
[1]  [DOC] The 2008 Kabul Serena Hotel attack was an attack on the gym of the Kabul Serena Hotel, in Kabul, Afghanistan on January 14, 2008 for which the Taliban claimed responsibility. [END] 
Answer: 
the Taliban
the Taliban