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.
Input: Title: Cause of the Change. Sentence 1: Anita was a nice person who loved her son. Sentence 2: The surgery went well, but Anita seemed to come home upset. Sentence 3: At one point, she needed to have a minor surgery. Sentence 4: Her attitude toward her son changed and never changed back. Sentence 5: Her surgery made her treat her son like she hated him.
Output:
32