Detailed Instructions: 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.
Q: Title: Trampoline. Sentence 1: Pippi had a trampoline outside in her backyard. Sentence 2: She liked to play on it often. Sentence 3: She broke her ankle in the process. Sentence 4: One day she ripped it by jumping on it too hard. Sentence 5: Pippi didn't go outside much after that.
A:
34