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: Roommate Trip. Sentence 1: My roommates once went to Chicago. Sentence 2: They went to visit their mom. Sentence 3: But she was not what they expected. Sentence 4: They had considered moving there. Sentence 5: There was no furniture in her apartment.
Output:
34