Q: 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: Street Vendor. Sentence 1: Tiffany then became much picker and less adventurous about food. Sentence 2: She tried new and different foods everywhere she went. Sentence 3: Once during traveling abroad, Tiffany tried food from a street vendor. Sentence 4: Tiffany got food poisoning from the street vendor's food. Sentence 5: Tiffany was an adventurous eater.
A:
15