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: Yesterday I went on a hike. Sentence 2: We walked six miles on the trail. Sentence 3: I was ready to pass out, I was so tired. Sentence 4: Towards the end it started to rain. Sentence 5: Thankfully then, the hike was cut short. Choices: a. Bad hike. b. Frigid north end.

Ex Output:
a

Ex Input:
Sentence 1: The football team had worked hard all season. Sentence 2: They won regionals and were on the way to the state play-offs. Sentence 3: During practice, the quarterback broke his arm. Sentence 4: The team had to use the second string quarterback. Sentence 5: Luckily, the team still won the play-offs. Choices: a. Reunion Lunch. b. Football.

Ex Output:
b

Ex Input:
Sentence 1: John decided he wanted to move to a new state. Sentence 2: Before he could move he needed to sell his house. Sentence 3: A buyer offered John a good price for his house. Sentence 4: John sold the house. Sentence 5: He was happy that he could now move to a new state. Choices: a. John Sells His House. b. Night Club Drama.

Ex Output:
a