TASK DEFINITION: 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.
PROBLEM: Westminster Palace , Westminster Abbey and Saint Margaret 's Church make up a UNESCO World Heritage Site .

SOLUTION: The United Nations Educational , Scientific and Cultural Organization ( UNESCO ) classifies the Palace of Westminster , along with neighbouring Westminster Abbey and St Margaret 's , as a World Heritage Site .

PROBLEM: Christians who are superior at " evangelism " are known as evangelists , whether in their areas or to far away places .

SOLUTION: Christians who specialize in evangelism are often known as evangelists , whether they are in their home communities or living as missionaries in the field , although some Christian traditions refer to such people as " missionaries " in either case .

PROBLEM: This clause is meant to allow the government to act quickly in case a major emergency comes up when Congress is not in session .

SOLUTION:
To allow the government to act quickly in case of a major domestic or international crisis arising when Congress is not in session , the president is empowered to call a special session of one or both houses of Congress .