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: A Teacher with No Class. Sentence 1: Barb learned a mean teacher was making life miserable for her son. Sentence 2: His mood was becoming increasingly sullen and withdrawn. Sentence 3: Barb had a long talk with her boy and he opened up to her. Sentence 4: Barb was worried that her son was being mistreated at school. Sentence 5: She had him transferred to another class and his outlook brightened.
Output:
14