You have been selected to give a farewell speech for a beloved teacher who is retiring, and you want to invite a former classmate to attend and participate. Write a letter to your former classmate inviting them to the event. You should include details about: who the teacher is and why their retirement is significant; when and where the farewell event will be held; what role you would like your classmate to play (e.g., sharing a memory, helping with decorations).