Which type of figurative language appears in sentence 13? (1) When I was little, Grandma always played with me. (2) She taught me how to dance, and she made beautiful clothes for my dolls. (3) She was my special friend, but I had no idea just how special until I was in ninth grade.

(4) Since my family did not have much money, I knew I would never be able to buy a great dress for the school dance. (5) That did not stop me from dreaming, however. (6) Many nights, after I had finished my homework, I would sketch the "perfect" dress. (7) I kept all the sketches on my bedside table. (8) I guess I figured that was a good place to store impossible dreams.

(9) One Monday, Mom and Grandma agreed that we should start shopping for my dress. (10) I dreaded shopping for it; I knew I would face a big disappointment when I found nothing close to my "perfect" dress. (11) Nevertheless, we decided that we would shop for my dress on Saturday.

(12) That Friday night at dinner, Grandma seemed unusually cheerful as she asked, “What’s cooking, Natalie?” (13) When I replied, “Not much,” she sang out, like a happy little bird, “Oh, Natalie! I have a surprise,” and reached under the table to pull out a huge, flat box. (14) When I opened it, I gasped and burst into tears. (15) Grandma had made my “perfect” dress! (16) When I looked over, I saw that she was crying, too. (17) "I'm sorry," she said, now laughing. (18) "I was so worried it wouldn't be what you hoped for," she said. (19) "I love it," I said and gave her a hug.