7902
In 2008 , after suffering from toe injury , he came back and won titles for parallel bars at the two gymnastics World Cups , Cottbus and Tianjin .
 location: Cottbus; location: Tianjin
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:
 location: Cottbus; location: Tianjin