{HEAD ~ The present invention} relates generally to video data recorders and, more specifically, to {TAIL ~ a method} and system for determining and playing ads in video data recorders 
relates to
{ HEAD ~ The present invention } relates generally to video data recorders and , more specifically , to { TAIL ~ a method } and system for determining and playing ads in video data recorders
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH