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: John and a buddy were walking past a storefront, chatting. Sentence 2: John noticed a one hundred dollar bill lying on the concrete. Sentence 3: John took it into the store, presenting it to the clerk. Sentence 4: Suddenly, a camera man appeared. Sentence 5: It was a hidden camera character test, and John passed! Choices: a. To Take or Not to Take. b. Christmas Sled.

Ex Output:
a

Ex Input:
Sentence 1: Our treehouse was on the ground. Sentence 2: We were afraid of heights so we found a tree with a big hole. Sentence 3: We climbed inside and sat there to talk for hours. Sentence 4: We played with the little bugs in the dirt. Sentence 5: We met there every day for years. Choices: a. Treehouse. b. New Chickens.

Ex Output:
a

Ex Input:
Sentence 1: Janie developed severe scoliosis in her back. Sentence 2: She started walking and sitting strangely. Sentence 3: Her neck was hurting her very badly. Sentence 4: Eventually her back began to bow. Sentence 5: She refused to get surgery to fix it. Choices: a. Janie. b. Speed Chess.

Ex Output:
a