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: Cleaning the House. Sentence 1: To make it more fun, she put on some music. Sentence 2: She was having company that night and knew she had to clean. Sentence 3: Lauren hated to clean her house. Sentence 4: She danced to the music while she was cleaning. Sentence 5: Before she knew it, her house was clean and ready for company.
Output:
31