With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Kirk Douglas is in the entertainment industry.
text_B: Wolfgang Thonke -LRB- born December 28 , 1938 -RRB- , is a journalist , graduated military scientist , major general -LRB- ret . -RRB-. major general. Major General. , and was the last Deputy Commanding General -LRB- A3 -RRB- of the National People 's Army Air Force in the former German Democratic Republic .. Staff ( military )#Continental Staff System. Air Force. Air Forces of the National People's Army. German Democratic Republic. German Democratic Republic. He was a military aviator / fighter pilot of `` performance level I '' -LRB- highest level -RRB- with more than 1,500 flight hours .. fighter pilot. fighter pilot
not_related.