My impression of the 50th anniversary of the college is to represent the college to welcome the guests. Also attending the show with friends. So that guests can enjoy.
My impression from the 50 anniversary of the College is to represent the College reception, as well as to participate in the show with a friend, so that guests can watch.
I am from the impression of the 50 anniversary of the College is to be a representative of the College to welcome guests as well as to attend the show with a friend to watch guests.