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In 2014 , he became the 4th test bowler since Richard Hadlee , Chris Martin and Iain O'Brien to claim 30 + wickets in consecutive years .
 person: Richard Hadlee; person: Chris Martin; person: Iain O'Brien
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Richard Hadlee, Chris Martin, Iain O'Brien 
Answer:
 person: Richard Hadlee; person: Chris Martin; person: Iain O'Brien