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.

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 .
In January 1905 , Alexander Adrianov became Moscow ' s first mayor .

Many grevilleas have a propensity to interbreed freely , and extensive hybridisation and selection of horticulturally desirable attributes has led to the commercial release of many named cultivars .
Many grevilleas interbreed freely , and some specially picked hybrids have been grown for sale .

Malacan an Palace ( colloquially " Malacan ang " ; , -RSB- ; , -RSB- ) is the official residence and principal workplace of the President of the Philippines .
Malacan ang Palace is the official home for the President of the Philippines .