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.
Q: Title: Room Service. Sentence 1: It was the first morning of Kate's trip in Las Vegas. Sentence 2: Kate wanted to go to a restaurant for breakfast. Sentence 3: Kate was leery because she always heard room service was expensive. Sentence 4: But her friends wanted to get room service. Sentence 5: But she decided to go along with it just for the experience.
A:
43