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: For my second grade class we had to do Native American art projects. Sentence 2: I decided to make a totem pole. Sentence 3: Needless to say my mom did most of the work. Sentence 4: It was super awesome and I got a very high grade. Sentence 5: Unfortunately, one day I was angry and ripped it apart. Choices: a. Quitting. b. 8 year old art destruction!.

Ex Output:
b

Ex Input:
Sentence 1: Herman was a bicycle racer. Sentence 2: He kept his bike in tip-top condition. Sentence 3: On the day of a race the bike lost a vital piece. Sentence 4: Herman knew it was sabotage. Sentence 5: He repaired the bike himself and won the race anyway. Choices: a. Bicycle Racing. b. Knife Tricks.

Ex Output:
a