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'.

Ex 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.

Ex Output:
a

Ex Input:
Sentence 1: Jim was playing tennis. Sentence 2: But he didn't have a coach. Sentence 3: He continually swung the wrong way. Sentence 4: And when he got home, his arm and elbow hurt. Sentence 5: Jim decided he should pay for lessons. Choices: a. The Entire Group Suffers. b. Tennis Elbow.

Ex Output:
b

Ex Input:
Sentence 1: I was sitting on the bench last month. Sentence 2: Our building bench is in front of a driveway. Sentence 3: A taxi was parked in the driveway, and the driver looked angry. Sentence 4: An old man came out and the driver said he was 30 minutes late. Sentence 5: The old man only smiled at the glaring taxi driver. Choices: a. Taxi. b. Moving to a new Place.

Ex Output:
a