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: Seismic waves are divided into two main types of waves , body waves and surface waves .

SOLUTION: Among the many types of seismic waves , one can make a broad distinction between " body waves " , which travel through the Earth , and " surface waves " , which travel at the Earth 's surface .

PROBLEM: Standardized tests are designed so that everything about them are standard .

SOLUTION: Standardized tests are designed in such a way that the questions , conditions for administering , scoring procedures , and interpretations are consistent and are administered and scored in a predetermined , standard manner .

PROBLEM: He was the Prime Minister of Denmark from 25 January 1993 to 27 November 2001 and President of the Party of European Socialists ( PES ) from 2004 to 2011 .

SOLUTION:
Poul Oluf Nyrup Rasmussen ( -RSB- , informally Poul Nyrup , born 15 June 1943 ) , was Prime Minister of Denmark from 25 January 1993 to 27 November 2001 and President of the Party of European Socialists ( PES ) from 2004 to 2011 .