5670
Following the release of the album , Kreva began his first tour in two years , known as " Kreva Concert Tour 2012 : Go " .
 person: Kreva; person: Kreva
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Kreva; person: Kreva