Viết lại câu mệnh đề quan hệ rút gọn

Viết lại câu mệnh đề quan hệ rút gọn
Neil Armstrong was the first man who talked on the moon 
the system which is used here is very successful
John, who teaches my son , is my neighbor
he simply loves parties. He is always the first who comes and last who goes
the Queen Elizabeth is the largest ship which has been built on the Clyde