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: New Shoes. Sentence 1: He wasn't sure if he liked them. Sentence 2: Greg bought some new shoes. Sentence 3: They were very uncomfortable. Sentence 4: He decided to take them back. Sentence 5: Greg swapped them out for another pair.
[A]: 21

[Q]: Title: The Ice Cream. Sentence 1: Paul was hungry. Sentence 2: He went to the store and bought a gallon of ice cream. Sentence 3: Paul ate the whole gallon! Sentence 4: He poured hot fudge and whipped cream on top. Sentence 5: It was cold and delicious.
[A]: 53

[Q]: Title: High Blood Pressure. Sentence 1: She froze up and was trembling with fear. Sentence 2: He told Tina that she has diabetes. Sentence 3: The doctor came into the room. Sentence 4: A few minutes later, the scribe talked to the doctor. Sentence 5: He said that Tina's lab results were mixed up.
[A]:
13