1. Peter , plays the guitar . He has just released a CD.
➜ Peter who has just released a CD, plays the guitar .
2: Parts of Buckingham Palace are open to the public . It is where the queen lives .
➜ Parts of Buckingham Palace are open to the public where the queen lives .
3: The new boy in our class is reasonably good at English. His name is Mikachu
=> The new boy in our class, whose name is Makichu, is reasonably good at English.