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: Henry was a hobby craftsman of small electronics. Sentence 2: One day he decided to make a little helper robot. Sentence 3: He designed it to carry small buckets and vacuum the floor. Sentence 4: His design was bought by a large manufacturer one day. Sentence 5: Henry lived a very wealthy life after that. Choices: a. Broken Remote. b. Arrested.
Example Output: a

Example Input: Sentence 1: Maeva went to art class. Sentence 2: They talked about lighting. Sentence 3: She practiced drawing it. Sentence 4: She used pencil. Sentence 5: She came out with a nice art piece. Choices: a. The Artist. b. Calendar.
Example Output: a

Example Input: Sentence 1: Carlo wanted to go to the circus. Sentence 2: The circus announced a new attraction. Sentence 3: It was about a real live unicorn. Sentence 4: When Carlo got there he was very excited. Sentence 5: The unicorn was a goat with a single horn. Choices: a. Circus. b. Laughter.
Example Output:
a