In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

Ex Input:
The Boeing 787 Dreamliner is a passenger aircraft made by Boeing .

Ex Output:
The Boeing 787 Dreamliner or Boeing 787 is an American long-haul , mid-size wide-body , twin-engine jet airliner manufactured by Boeing Commercial Airplanes .

Ex Input:
An emergency telephone is a special telephone that can be used in an emergency situation .

Ex Output:
An emergency telephone is a phone specifically provided for making calls to emergency services and is most often found in a place of special danger or where it is likely that there will be a need to make emergency calls .

Ex Input:
In Canada , National Historic Sites are places that the government has decided are important in Canada 's history .

Ex Output:
National Historic Sites of Canada are places that have been designated by the federal Minister of the Environment on the advice of the Historic Sites and Monuments Board of Canada ( HSMBC ) , as being of national historic significance .