The method 1, further comprising {HEAD ~ the step} of retrieving {TAIL ~ the stored data} online 
of retrieving
The method 1 , further comprising { HEAD ~ the step } of retrieving { TAIL ~ the stored data } online
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH