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At Cambridge University , Woods was from 1892 to 1899 a demonstrator in paleobotany , and from 1894 to 1899 a demonstrator in paleozoology until his promotion to lecturer .
 organization: Cambridge; person: Woods
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: Cambridge, Woods 
Answer:
 organization: Cambridge; person: Woods