question_text: Which Istanbul mosque is unique for retaining a Baroque style of architecture, the Bayezid II Mosque or the Nusretiye Mosque?
decomposition: return if the  Bayezid II Mosque  is unique for retaining a Baroque style of architecture ;return if the  Nusretiye Mosque  is unique for retaining a Baroque style of architecture ;return which is true of #1 ,  #2