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'.

Input: Consider Input: Sentence 1: Heather was middle aged and wore glasses. Sentence 2: At the mall last week she lost her glasses. Sentence 3: Heather had to call her daughter to drive her to work. Sentence 4: Heather went the very next day to buy a new pair. Sentence 5: Heather called her daughter and told her she did not have to drive her. Choices: a. Glasses. b. Knitting.

Output: a

Input: Consider 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.

Output: b

Input: Consider Input: Sentence 1: A couple was arguing in front of the coffee shop. Sentence 2: They indirectly announced that they were breaking up. Sentence 3: I tried to get in the coffee shop but they were blocking the door. Sentence 4: The man looked at me my with an angry face. Sentence 5: I decided to drive to another coffee shop. Choices: a. Angry Couple. b. Grace.
Output: a