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: 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.
[A]: 31

[Q]: Title: Cook Out. Sentence 1: Abby recently graduated from high school and wanted a cook out. Sentence 2: Abby's dad volunteered to man the grill at the event. Sentence 3: Abby invited her friends, and family from near and far. Sentence 4: However, Abby was shocked to see her grandmother had made it. Sentence 5: Abby was filled with joy that she was enjoying her cook out.
[A]: 32

[Q]: Title: Dead Plants. Sentence 1: She needed to leave for work. Sentence 2: Tom lived with his wife. Sentence 3: Tom never watered the plants. Sentence 4: His wife usually did it. Sentence 5: When she got back several of them were dead.
[A]:
21