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: Ted was always volunteering at the homeless shelter. Sentence 2: There was one homeless man he became good friends with. Sentence 3: The man had been homeless for 20 years. Sentence 4: After years of friendship, Ted let the man stay at his house. Sentence 5: In return, the man would do housework for Ted. Choices: a. Had enough. b. Mutually Beneficial.

Ex Output:
b

Ex Input:
Sentence 1: The woman put some gel in her hair. Sentence 2: She tried to mold her hair. Sentence 3: She couldn't get her hair to stay. Sentence 4: She washed out the gel. Sentence 5: She tried a different hairstyle. Choices: a. Gel. b. Bad Luck.

Ex Output:
a

Ex Input:
Sentence 1: Jim bought a new car radio. Sentence 2: He had it for only a week. Sentence 3: ONe night he heard someone breaking into his car. Sentence 4: They stole his new stereo. Sentence 5: Jim was never able to get it back. Choices: a. Burned Burgers. b. New Radio.

Ex Output:
b