Instructions: 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.
Input: Title: The End of Meat. Sentence 1: The information was so alarming she no longer craves meat. Sentence 2: But she read about America's flawed meat packing system. Sentence 3: She read all the meat sold in America has been cured of disease. Sentence 4: She also read substances qualify as meat but isn't meat. Sentence 5: Brianna never thought she would turn vegetarian.
Output:
51