In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Input: Consider Input: As a philosopher , Ernst Haeckel wrote " Die Weltra ̈ thsel " ( 1895 – 1899 ; in English : " The Riddle of the Universe " , 1901 ) , the genesis for the term " world riddle " ( " Weltra ̈ tsel " ) ; and " Freedom in Science and Teaching " to support teaching evolution .

Output: As a philosopher , Ernst Haeckel wrote " Die Weltra ̈ tsel " ( 1895 – 1899 , " The Riddle of the Universe " , 1901 ) , and " Freedom in Science and Teaching " to support teaching evolution .


Input: Consider Input: Yegor Kuzmich Ligachyov ( Ligachev ; ; born 29 November 1920 ) is a Soviet politician who was a high-ranking official in the Communist Party of the Soviet Union ( CPSU ) .

Output: Yegor Kuzmich Ligachev ( , born 29 November 1920 ) is a Soviet politician .


Input: Consider Input: A union organizer ( or union organiser ) is a specific type of trade union member ( often elected ) or an appointed union official .


Output: A union organizer is either elected or appointed .