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: I turned on the fan. Sentence 2: It would not work. Sentence 3: I saw that it was unplugged. Sentence 4: I plugged the fan back in. Sentence 5: The fan blew wind in the room. Choices: a. Strike Three. b. Fan.

Ex Output:
b

Ex Input:
Sentence 1: The police investigated the man. Sentence 2: They could not find anything illegal. Sentence 3: They followed him for a little bit. Sentence 4: He wondered who they were following. Sentence 5: The man was later found guilty. Choices: a. Not Guilty. b. Jazz Record.

Ex Output:
a

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