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In that capacity , he supervised the General Staff 's Cipher Bureau , whose achievements included the breaking of German Enigma-machine cipher s. Career In January 1939 Mayer — cryptologist Marian Rejewski was to recall — " directed that statistics be compiled for a two-week [ test ] period , comparing the [ quantities of Enigma-message ] material solved , with the [ quantities of ] Enigma-enciphered material intercepted by the radiotelegraphers .
 person: Mayer; person: Marian Rejewski
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Mayer, Marian Rejewski 
Answer:
 person: Mayer; person: Marian Rejewski