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.

[Q]: Title: Barbecue. Sentence 1: The man wanted to have a barbecue. Sentence 2: He invited lots of friends over. Sentence 3: He bought lots of meat. Sentence 4: It poured down rain on the day of the barbecue. Choices: a. The man had to cancel the barbecue. b. Her mom went to the park and found her.
[A]: a

[Q]: Title: Perfect Partner. Sentence 1: I was looking for someone to date. Sentence 2: I tried everything. Sentence 3: From online dating sites to friends recommendations. Sentence 4: None of these options worked well. Choices: a. Maybe I should be less picky. b. Everyone was very happy with him, even if it took awhile.
[A]: a

[Q]: Title: Pretty Nails. Sentence 1: Becky wanted to paint her nails for a school dance. Sentence 2: She wasn't very good so asked her brother for help. Sentence 3: Her brother was annoyed at the request but obliged. Sentence 4: He painted elaborate flowers on all her fingernails. Choices: a. Becky received many compliments that night from her classmates. b. The videos make everyone laugh.
[A]:
a