In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Input: Consider Input: Title: Gift. Sentence 1: Rosa wanted to give her grandma a great birthday gift. Sentence 2: But she had very little money, so she was unhappy! Sentence 3: Then she decided to get creative. Sentence 4: She went and picked her grandma a huge bouquet of wildflowers. Choices: a. Then she tied them prettily and gave them to her thankful grandma! b. Before the call ended the rain had begun again.

Output: a

Input: Consider Input: Title: Jan's Jilted Jawing. Sentence 1: Jan usually kept quiet about annoyances. Sentence 2: When she got upset by something, she would keep it inside. Sentence 3: She also rarely drank. Sentence 4: One night, some coworkers invited her out for drinks. Choices: a. She got drunk and blurted out a lot of private info about ex lovers. b. We still have to manually open and close the door all the time.

Output: a

Input: Consider Input: Title: The Butterfly. Sentence 1: April caught a caterpillar and kept it in a jar. Sentence 2: She fed the caterpillar and kept it safe. Sentence 3: After a few weeks the caterpillar spun a cocoon around itself. Sentence 4: April waited and watched the cocoon to see what would happen. Choices: a. To her surprise, a beautiful butterfly emerged! b. The boy accidentally shot the dad.
Output: a