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: One Day Internship. Sentence 1: But he influenced his boss to hire Linda as an intern. Sentence 2: Charles knew Linda was too conceited about her photography. Sentence 3: Linda's first assignment was to photograph a local celebrity. Sentence 4: She took his picture by bushes, stains in concrete and off the curb. Sentence 5: Linda was shocked and quit when the editor didn't like her photos.
A:
21