Teacher:You are given a paragraph (Passage), a question (Question) and two answer options (Option1 and Option2). Your task is to find the correct answer (and return the string of the correct option, not option1/2) for the given question from the given options and based on the given passage. Answer of the question can be found directly from the passage.
Teacher: Now, understand the problem? Solve this instance: Passage: When I was a little girl I lived in Wisconsin while my grandparents lived in Minnesota . I did n't get to see them as often as I wanted to . To keep in touch over the distance before free long distance with cell phones , we used to write each other letters . I went to get the mail from the mail box like many other days . Inside the mailbox I found an envelope from my grandfather . I knew because his return address was written in the top left corner of the envelope . I was jumping up and down while I ripped the envelope open . Inside was a valentine of a little girl standing in a phone booth and talking on the phone . It said , " Be my Valentine . " I still have that Valentine all of these years later . Question: Who was the letter from? Option1: grandfather Option2: little girl
Student:
grandfather