Detailed 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.
Problem:Title: Visit to the Mall. Sentence 1: Rob visits a local mall in the afternoon. Sentence 2: He enters a shoe store to browse the selection. Sentence 3: He pays for the shoes at the cash register. Sentence 4: Rob finds a pair of shoes that he wants to buy. Sentence 5: He leaves the store happy with joy.
Solution:
34