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