81709
In Germany , most contemporary telephones have a specific button functioning as call return , which is an internal function of the telephone itself ( the number of the last caller is stored inside the phone at the time of that last call ) and thus does n't have a numeric code .
 location: Germany
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: Germany 
Answer:
 location: Germany