{HEAD ~ Documents} written in {TAIL ~ these languages} can then be searched for information responsive to the appropriate translated query 
{ HEAD ~ Documents } written in { TAIL ~ these languages } can then be searched for information responsive to the appropriate translated query
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH