Definition: 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: Coffee. Sentence 1: Two coworkers and I used to go for coffee in the morning. Sentence 2: He was too shy, and never asked her out. Sentence 3: The man was very friendly to one of the coffee servers. Sentence 4: One day we stood behind him and egged him on to ask her out. Sentence 5: One coworker is a woman, and the other a man.
Output:
25