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: Arni opened a restaurant with his son. Sentence 2: He taught his son to make the best pasta in the state. Sentence 3: They advertised all over for their grand opening. Sentence 4: Hundreds of people ate there that day. Sentence 5: Their restaurant will be open for years. Choices: a. Arni's Restaurant. b. First Day.
Example Output: a

Example Input: Sentence 1: The bird landed under the large rose bush. Sentence 2: It twittered loudly as it looked for bugs to eat. Sentence 3: It looked up just as the car crept up beside it. Sentence 4: Wings flapping, it took off into the air. Sentence 5: The cat lunged, missing the bird completely. Choices: a. Role. b. Bird.
Example Output: b

Example Input: Sentence 1: Yesterday, Mimsy went fishing. Sentence 2: She didn't use a hook. Sentence 3: She didn't want to catch the fish. Sentence 4: She just tied veggies and things to her fishing line. Sentence 5: It's relaxing for her to feed the fish. Choices: a. Fishing. b. Too Much Rain.
Example Output:
a