Alternatively, the electronic device 112 can search {TAIL ~ the feature index} to determine whether the item is contained in {HEAD ~ the sensor data} 
Alternatively , the electronic device 112 can search { TAIL ~ the feature index } to determine whether the item is contained in { HEAD ~ the sensor data }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD