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According to historian Mike Dash , few scientists doubt there are thousands of unknown animals , particularly invertebrates , awaiting discovery ; however , cryptozoologists are largely uninterested in researching and cataloging newly discovered species of ants or beetles , instead focusing their efforts towards " more elusive " creatures that have often defied decades of work aimed at confirming their existence .
 person: Mike Dash
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: Mike Dash 
Answer:
 person: Mike Dash