In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.

Example Input: Sentence 1: My husky mix recently started panting for no reason. Sentence 2: We tried everything, but nothing seemed to make her feel better. Sentence 3: Finally, we gave up and took her to the vet. Sentence 4: They ran a test for heartworms, which came back negative. Sentence 5: Eventually, they decided the fleas she's had were stressing her out. Choices: a. Panting. b. Annette.
Example Output: a

Example Input: Sentence 1: There had been a rash of burglaries in Claude's neighborhood. Sentence 2: Claude no longer felt safe at home. Sentence 3: He began looking in ads for a new apartment. Sentence 4: Claude found an apartment within his price range. Sentence 5: He moved into the new apartment. Choices: a. An Accordion.. b. A Bad Neighborhood.
Example Output: b

Example Input: Sentence 1: All of the fish in Tracy's fishbowl had died. Sentence 2: She decided to go to the petstore and buy more fish. Sentence 3: While there, she had a hard time choosing which fish to get. Sentence 4: She decided to get two new goldfish. Sentence 5: She took them home and they were happy in their new home. Choices: a. Buying a new fish. b. The Doctor.
Example Output:
a