TASK DEFINITION: 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.
PROBLEM: A language isolate , in the absolute sense , is a natural language with no demonstrable genealogical ( or " genetic " ) relationship with other languages , one that has not been demonstrated to descend from an ancestor common with any other language .

SOLUTION: A language isolate is a language that is not known to be related to any other language .

PROBLEM: The fifth-generation iPod Touch ( stylized and marketed as the iPod touch , and colloquially known as the iPod Touch 5G or iPod Touch 5 ) was unveiled at Apple 's media event alongside the iPhone 5 on September 12 , 2012 , and was released on October 11 , 2012 .

SOLUTION: The fifth generation iPod Touch was announced along with the iPhone 5 on September 12 , 2012 , and it was released on October 11 , 2012 .

PROBLEM: The option to capture the moved pawn " en passant " must be exercised on the move immediately following the double-step pawn advance , or it is lost for the remainder of the game .

SOLUTION:
To capture " en passant " can only be done on the move right after the double-square pawn advance .