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: Varying Mood of the Cat. Sentence 1: The other day, it actually chased a small boy across the street. Sentence 2: It always started whenever you walked by. Sentence 3: The cat next door looked very evil. Sentence 4: However, today the same small boy was petting it and it looked happy. Sentence 5: Cats are very flippant creatures.
Solution:
31