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.
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Question: 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 .

Answer: 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 .


Question: Cygnus X-1 ( abbreviated Cyg X-1 ) is a galactic X-ray source in the constellation Cygnus , and the first such source widely accepted to be a black hole .

Answer: Cygnus X-1 was the first X-ray source accepted as a black hole .


Question: It was among the earliest large South American theropods , having been found in Middle Jurassic strata of the Can ̃ ado ́ n Asfalto Formation in the Can ̃ ado ́ n Asfalto Basin of Argentina .

Answer:
From the Middle Jurassic of Argentina , it was one of the earliest large South American theropods .