1 WALKING           
2 WALKING_UPSTAIRS  
3 WALKING_DOWNSTAIRS
4 SITTING           
5 STANDING          
6 LAYING            
7 STAND_TO_SIT      
8 SIT_TO_STAND      
9 SIT_TO_LIE        
10 LIE_TO_SIT        
11 STAND_TO_LIE      
12 LIE_TO_STAND