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'.

Example Input: Sentence 1: Fred took his son out. Sentence 2: They went to the target practice. Sentence 3: Fred wanted him to learn how to shoot the birds. Sentence 4: Fred did very well. Sentence 5: He was happy about that. Choices: a. Dissatisfied customer. b. Target practice.
Example Output: b

Example Input: Sentence 1: Francine was in her bathroom about to take a pregnancy test. Sentence 2: She was very nervous because she didn't want to be pregnant. Sentence 3: She took it and waited for the testing time to pass. Sentence 4: Finally, with a deep breath she checked. Sentence 5: To her great relief the test came up negative. Choices: a. The Pregnancy Test. b. Extra Credit.
Example Output: a

Example Input: Sentence 1: It had rained for days and the kids were misbehaving. Sentence 2: Molly cheered up as the sun broke through the clouds. Sentence 3: She took the kids to the park and let them use their pent up energy. Sentence 4: She took in the crisp, after rain air and felt very pleasant. Sentence 5: Molly called to the kids to leave as the clouds began to crawl back. Choices: a. Sunbeam. b. A Nelson Laugh.
Example Output:
a