The processing unit can also determine whether {HEAD ~ a machine} has completed {TAIL ~ its mission} using the features in the sensor data 
completed
The processing unit can also determine whether { HEAD ~ a machine } has completed { TAIL ~ its mission } using the features in the sensor data
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH