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On Android 2.0 , a new gesture-based lock screen was introduced , displaying two icons : one for unlocking the phone , and one for setting the volume mode , activated by dragging the relevant icon to the center of the screen on a curve ( similarly to a rotary dial ) .
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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:  
Answer:
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