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.
Q: Title: Ice cream. Sentence 1: Laurel wanted to get some ice cream. Sentence 2: She visited the local ice cream parlor after work. Sentence 3: Laurel clumsily dropped her ice cream. Sentence 4: Laurel rejoiced when the cashier offered her another. Sentence 5: She lamented the loss of her precious ice cream.
A:
45