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: Jake loved working on cars. Sentence 2: He got an old one to work on. Sentence 3: He kept upgrading it. Sentence 4: It cost him a lot of money. Sentence 5: Eventually he had his own self made dream car. Choices: a. Car Upgrades. b. Lost Cell Phone.

Ex Output:
a

Ex Input:
Sentence 1: Jim wanted to grow figs. Sentence 2: He went to the nursery. Sentence 3: He bought a new fig plant. Sentence 4: He planted it. Sentence 5: It grew quickly! Choices: a. High heels. b. The Fig Tree.

Ex Output:
b

Ex Input:
Sentence 1: Chelsea showed up at my house at 6am. Sentence 2: She was only a little girl, and nobody paid her any attention. Sentence 3: Her mom got up early to play guitar, and would send her out to find me. Sentence 4: We played in the ditch in front of the house that day. Sentence 5: She was tired from not getting enough sleep, but we had a lot of fun. Choices: a. Appointments. b. Chelsea.

Ex Output:
b