A user makes {HEAD ~ a query} in a first language, and {TAIL ~ a group} of documents that were previously machine translated into the first language are searched for information responsive to the query 
A user makes { HEAD ~ a query } in a first language , and { TAIL ~ a group } of documents that were previously machine translated into the first language are searched for information responsive to the query
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH