{HEAD ~ A set} of documents written in the second language are then searched for {TAIL ~ information} responsive to the translated query 
are searched for
{ HEAD ~ A set } of documents written in the second language are then searched for { TAIL ~ information } responsive to the translated query
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH