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: Pet Sitter. Sentence 1: I packed his things in a bag and we drove to her house. Sentence 2: This past weekend, we had to leave my dog with a pet sitter. Sentence 3: I was worried about being away but he was excited to go on a car ride. Sentence 4: When we arrived, the pet sitter was very reassuring. Sentence 5: My dog did a great job, but I'm glad he's back home with me, now.
Solution:
12