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Justice Mehr Chand Mahajan , the Maharaja 's nominee for his next prime minister , visited Nehru and Patel in Delhi on 19 September 1947 , requesting essential supplies which had been blockaded by Pakistan since the beginning of September .
 person: Mehr Chand Mahajan; person: Nehru; person: Patel; location: Delhi; location: Pakistan
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: Mehr Chand Mahajan, Nehru, Patel, Delhi, Pakistan 
Answer:
 person: Mehr Chand Mahajan; person: Nehru; person: Patel; location: Delhi; location: Pakistan