TASK DEFINITION: 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.
PROBLEM: Title: The Package. Sentence 1: Carla was going to the post office. Sentence 2: She decided to walk there. Sentence 3: Carla checked with the clerk for her mail. Sentence 4: Carla left and returned in her car for the package. Sentence 5: She had a huge package waiting for her.

SOLUTION: 54

PROBLEM: Title: science. Sentence 1: He decided to teach science. Sentence 2: He liked it a lot. Sentence 3: The man studied science. Sentence 4: His students felt his passion for the subject. Sentence 5: He was a popular teacher with the students.

SOLUTION: 31

PROBLEM: Title: The Stew. Sentence 1: Josh liked cooking. Sentence 2: He decided to make a stew. Sentence 3: He chopped the vegetables and meat. Sentence 4: The stew tasted great! Sentence 5: He mixed it in a pot and let it simmer.

SOLUTION:
45