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: Payment. Sentence 1: The house payment is very late. Sentence 2: I was afraid to show my husband the letter. Sentence 3: It was from the bank. Sentence 4: It stated we were 2 months behind. Choices: a. Tom joined and felt accomplished. b. I tried my hardest to make the payments clandestinely.

Ex Output:
b

Ex Input:
Title: Being Bold. Sentence 1: Stefan was a very introverted man. Sentence 2: He was bullied by his boss at work constantly. Sentence 3: One day he stood up for himself and told his boss off. Sentence 4: Stefan was called into the head office the next day and fired. Choices: a. There are no more moles in the backyard. b. He was sad but was proud for standing up for himself.

Ex Output:
b

Ex Input:
Title: Charlie. Sentence 1: There was this little 3 year old named Charlie. Sentence 2: She loved to play with toys, but didn't like to pick up her toys. Sentence 3: One day her mommy told her to pick up and get ready for dinner. Sentence 4: Charlie ignored her mom and didn't listen. Choices: a. She got sent up to her room and got no dinner. b. Paul decided to go visit friends that lived in the midwest.

Ex Output:
a