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: Zebras. Sentence 1: Donny and his family went to the zoo. Sentence 2: Donny's parents asked him which animal he would like to see. Sentence 3: Donny said he wanted to see his favorite animal, the zebra. Sentence 4: That particular zoo did not have any zebras. Sentence 5: His family and he searched the zoo for hours for a zebra enclosure.
[A]: 54

[Q]: Title: Mean Dog. Sentence 1: Chris was bit by a dog when he was a kid. Sentence 2: Chris's friend invited him over and he accepted. Sentence 3: Chris's friend has a dog. Sentence 4: The dog was really nice and Chris is no longer scared. Sentence 5: He was really nervous around the dog.
[A]: 45

[Q]: Title: Buzzing. Sentence 1: Yolanda was annoyed by the constant buzzing sound she was hearing. Sentence 2: She decided to find out what it was. Sentence 3: But she gave up when she couldn't find any. Sentence 4: She searched around her house for similar sounds. Sentence 5: After going to the doctor later that day, she found out it's tinnitus!
[A]:
43