6090
However , one expert , retired Captain Igor Kudrin , warned in response to a question on NTV that since " the submarine is lying on the seabed at an angle of 60 degrees , this operation will be extremely difficult . "
 person: one expert; person: retired Captain; person: retired Captain Igor Kudrin; vehicle: the submarine; location: the seabed
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
 Entities: one expert, retired Captain, retired Captain Igor Kudrin, the submarine, the seabed 
Answer:
 person: one expert; person: retired Captain; person: retired Captain Igor Kudrin; vehicle: the submarine; location: the seabed