An input device allows {HEAD ~ the viewer} to browse through {TAIL ~ the schedule information area} and obtain more information about programs of particular interest 
to browse through
An input device allows { HEAD ~ the viewer } to browse through { TAIL ~ the schedule information area } and obtain more information about programs of particular interest
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH