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: Ben loved to eat the ears on his chocolate bunnies first. Sentence 2: He wished chocolate bunnies had bigger ears! Sentence 3: He had a good surprise in his Easter basket this year. Sentence 4: There was a big bunny with huge ears! Sentence 5: He couldn't believe his luck! Choices: a. Bunny Ears. b. mTurk.
Example Output: a

Example Input: Sentence 1: Joyce silently sat savoring a piece of chocolate candy in her closet. Sentence 2: There was a knock on the locked door. Sentence 3: Joyce didn't dare make a sound. Sentence 4: Soon little footsteps walked out of the room. Sentence 5: Joyce would have to return to being the mom, but not just yet. Choices: a. All About a Boy. b. Peace and Quiet.
Example Output: b

Example Input: Sentence 1: Cathy realized that her current fish tank was way to small. Sentence 2: Cathy knew she had to purchase a much larger fish tank. Sentence 3: After conducting research, Cathy found a tank at a local pet store. Sentence 4: Cathy decided to drive to the store to purchase the tank. Sentence 5: Cathy was glad with the purchase of her larger fish tank. Choices: a. Fish Tank. b. The Beach.
Example Output:
a