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: Flight Delay. Sentence 1: Joe went to the airport to catch a flight to visit some relatives. Sentence 2: Joe was very happy that he was able to visit his relatives. Sentence 3: Joe had to wait a half day until another flight was available. Sentence 4: Afterwards, Joe flew on that airplane and arrived at his destination. Sentence 5: Unfortunately, his flight was delayed due to bad weather conditions.
52

Title: The Cougar Sound. Sentence 1: Dale was taking a walk one night. Sentence 2: He was enjoying himself when he began hearing a weird sound. Sentence 3: Fearing for his life he ran home and got safely inside. Sentence 4: He didn't know where it was but it sounded close. Sentence 5: Suddenly he realized the sound was a cougar.
35

Title: Memories of the evil gerbil. Sentence 1: When she did this, the photos of the gerbil always made it look evil. Sentence 2: Her gerbil was white with red eyes. Sentence 3: She took a lot of photos of it with red eye removal enabled. Sentence 4: Bree once had a gerbil. Sentence 5: These particular photos always made her smile after it passed away.
41