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[|Human|] Extract the beginning and ending term of AntÃ³nio de Serpa Pimentel from the following text
[|AI|] AntÃ³nio de Serpa Pimentel was the Prime Minister of Portugal from 14 January 1890 to 11 October 1890
[|Human|] 
Extract the beginning and ending term of AntÃ³nio de Serpa Pimentel from the following text