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 Q]: Sentence 1: The man found a crate. Sentence 2: He couldn't get it open. Sentence 3: He looked for a hammer at home. Sentence 4: He went back to the crate with the hammer. Sentence 5: The crate was gone. Choices: a. Crate. b. Anna's wedding day.
[EX A]: a

[EX Q]: Sentence 1: Helen was offered a retirement saving account through her employer. Sentence 2: She found all of the expense ratios inappropriately high. Sentence 3: She asked the employer's finance director about this. Sentence 4: They told her that if she could find a better option she should accept. Sentence 5: Helen gladly found an IRA with an expense ratio between 0,10 and 0,30. Choices: a. The Dress Stain. b. Investment Options.
[EX A]: b

[EX Q]: Sentence 1: There were a few fruit flies in my kitchen. Sentence 2: I ignored them, thinking them neutral visitors. Sentence 3: Soon there were large numbers of them. Sentence 4: I ended up having to sanitize the whole kitchen to be rid of them. Sentence 5: Now I never treat a few straggling insects with any regard. Choices: a. Fruit Flies. b. Generation gap.
[EX A]:
a