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: Wrong Way. Sentence 1: He was at the wrong theatre! Sentence 2: He was called to pick up a passenger at the theatre. Sentence 3: When he got there, no one was waiting. Sentence 4: Gabe called the dispatcher. Sentence 5: Gabe drove a taxi cab.
Output:
15