{HEAD ~ The display} of {TAIL ~ a human figure} is changed based on a change in viewpoint/orientation of the device 
{ HEAD ~ The display } of { TAIL ~ a human figure } is changed based on a change in viewpoint / orientation of the device
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH