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'.

Input: Consider Input: Sentence 1: Jake loved collecting stamps. Sentence 2: He had several books full of them. Sentence 3: His collection wasn't worth much. Sentence 4: To him, though, it was invaluable. Sentence 5: Jake kept it his entire life. Choices: a. Zap. b. Stamp Collection.

Output: b

Input: Consider Input: Sentence 1: One day Jerry took a chance and ate some old food. Sentence 2: He knew it might give him an upset stomach but he didn't care. Sentence 3: But 30 minutes after his meal he had to run to the bathroom. Sentence 4: Unfortunately for him there was no toilet paper and only a newspaper. Sentence 5: So he used the newspaper in place of toilet paper. Choices: a. Newspaper to the rescue. b. Football.

Output: a

Input: Consider Input: Sentence 1: Heather was very superstitious. Sentence 2: She never walked on lines on the sidewalk and avoided black cats. Sentence 3: As her birthday fell on Friday the 13th this year, she stayed home. Sentence 4: She didn't answer the phone and her door bell. Sentence 5: She waited for the whole day to pass until she could feel easy again. Choices: a. Superstition. b. Tim Gets a Noise Complaint.
Output: a