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.

[Q]: In January 1905 , the institution of the City Governor , or Mayor , was officially introduced in Moscow , and Alexander Adrianov became Moscow 's first official mayor .
[A]: In January 1905 , Alexander Adrianov became Moscow ' s first mayor .

[Q]: Pelagia noctiluca is a jellyfish in the family Pelagiidae and the only currently recognized species in its genus .
[A]: Pelagia noctiluca is a jellyfish .

[Q]: Taipei ( ; Mandarin : ; Hokkien POJ : " Ta i-pak " ) , officially known as Taipei City , is the capital and a special municipality of Taiwan ( officially the Republic of China , " ROC " ) .
[A]:
Taipei City is the capital city of the Republic of China , known by most people simply as Taiwan .