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: Old Speakers. Sentence 1: My brother-in-law left his old speakers in my closet. Sentence 2: He had claimed he would come back for them later on. Sentence 3: Eventually I installed them in my new home theater set-up. Sentence 4: They stayed there for three years. Sentence 5: My brother-in-law didn't mind as he had in fact forgotten about them.
A:
34