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.

Input: Consider Input: Protocols including Packet over SONET / SDH , MPLS , ATM and Frame relay are often used by service providers to deliver the links that are used in WANs .

Output: Protocols including Packet over SONET / SDH , Multiprotocol Label Switching ( MPLS ) , Asynchronous Transfer Mode ( ATM ) and Frame Relay are often used by service providers to deliver the links that are used in WANs .


Input: Consider Input: The 2060s decade will begin on January 1 , 2060 and will end on December 31 , 2069 .

Output: The 2060s ( pronounced " twenty-sixties " ) is a decade of the Gregorian calendar that will begin on January 1 , 2060 , and will end on December 31 , 2069 .


Input: Consider Input: Space Shuttle Discovery ( OV-103 ) is the third space shuttle run by NASA .


Output: Space Shuttle " Discovery " ( Orbiter Vehicle Designation : OV-103 ) is one of the orbiters from NASA 's Space Shuttle program and the third of five fully operational orbiters to be built .