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: Lock and Key. Sentence 1: A thief was able to sneak in and steal from the bank. Sentence 2: He was very proud of his bank and would always lock it up at night. Sentence 3: One evening, he neglected to properly close the bank down. Sentence 4: Ned was the manager of a very successful bank. Sentence 5: Ned arrived at the bank the next morning and was upset at the loss.
Output:
14