In this task, you're given the title of a story consisting of five sentences, numbered 1 through 5. Your job is to determine which two sentences need to be swapped sentences in order to make a story that makes complete sense and is befittingly titled. Indicate your answer using the numbers of the two sentences in order, such as '34' or '25'. The first digit refers to the sentence which should come first in the story.
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Question: Title: Scratch. Sentence 1: Kate and her friend had dinner at a seafood place. Sentence 2: They ate and enjoyed crab legs. Sentence 3: Kate was starting to get scared. Sentence 4: Ten minutes later she realized she was still scratching. Sentence 5: Kate noticed her friend kept scratching.

Answer: 53

Question: Title: Celery. Sentence 1: Lopez did not like celery at all. Sentence 2: After that, Lopez ate celery almost every day. Sentence 3: One day, his friend suggested it to him. Sentence 4: Finally, he decided he would eat a little. Sentence 5: In fact, he had eaten it only once.

Answer: 25

Question: Title: Baby surprise. Sentence 1: Tina wanted to have a party. Sentence 2: She was pregnant. Sentence 3: But she had a surprise. Sentence 4: She was selling her jewelry. Sentence 5: When she announced it everyone was so happy.

Answer:
42