Task: Question Answering
Input (English): Passage: I wanted to write my friend and tell them about what happened to me this year . I found a piece of paper , a pen , an envelope , and a postage stamp . I placed them on my desk and I sat down at my desk in my chair and wrote a letter to my friend . When I had finished writing my letter , I took the envelope and wrote my friend 's address on the front of it in the center . I took one of the postage stamps and I put it on the envelope in the upper right hand corner . Then , I carefully folded up my letter so that it would fit into the envelope , and then placed it inside the envelope . I sealed the envelope closed . I walked up to the mailbox , and I placed it inside so that the postal service worker could find it , and deliver it to my friend 's house . Question: What did they write in the upper left hand corner of the envelope? Option1: A letter to their friend. Option2: Their address.
Output (English): Their address.