139576
The album was produced by the band 's guitarist Carl Bown and featured a guest appearance by his uncle , pop singer Tony Christie .
 person: Tony Christie
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: Tony Christie 
Answer:
 person: Tony Christie