72557
This idea was initially disputed by another Swiss scientist , Louis Agassiz , but when he undertook to disprove it , he ended up affirming his colleague 's hypothesis .
 person: Louis Agassiz
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: Louis Agassiz 
Answer:
 person: Louis Agassiz