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.

Title: Landon's Lakehouse. Sentence 1: Landon's family has a lake house. Sentence 2: They spend many of their summers enjoy the lake. Sentence 3: Her family decided it was not worth keeping without using it. Sentence 4: After Landon and her siblings grew up, they spent less time there. Sentence 5: Landon's family sold the lakehouse.
34