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.

Ex Input:
Title: The Amateur Golfer. Sentence 1: Sam is an amateur golfer. Sentence 2: He goes to the golf course on weekends. Sentence 3: One day Sam hit a hole in one. Sentence 4: His face lit up with delight. Choices: a. The next morning Jeb wakes up to find out he's won the jackpot. b. He left the golf course feeling accomplished.

Ex Output:
b

Ex Input:
Title: Lengthy sleepover. Sentence 1: Tina invited her friend Ann to come sleepover. Sentence 2: She hadn't seen Ann in ages and wanted to hang with her. Sentence 3: Ann said okay and she ended up staying two nights. Sentence 4: But she had forgotten to tell her parents about it. Choices: a. As a result she got grounded for not telling them. b. They all said it was because his references said he was mean.

Ex Output:
a

Ex Input:
Title: Unreturned. Sentence 1: Kate missed her best friend Sue. Sentence 2: Since Sue was out of town for the summer they were texting. Sentence 3: Kate texted Sue her weird dream about school. Sentence 4: But Sue didn't reply right away like she normally did. Choices: a. Four hours later Kate was upset she was being ignored. b. When Jake got older, he worked in the electronics field.

Ex Output:
a