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.

Title: Lucy's First Day. Sentence 1: Lucy was excited to go to school. Sentence 2: Today was her first day of kindergarten! Sentence 3: She met her new teacher and classmates. Sentence 4: Lucy loved getting to know her new school. Choices: a. That night, she told her parents all about her day. b. Tom ran up the stairs as fast as he could.
a

Title: Sleepless nights. Sentence 1: When Annika was a baby, she had acid reflux. Sentence 2: She refused to sleep, and would just scream instead. Sentence 3: All night long, I used to walk up and down the hall with her. Sentence 4: I would tell her that I was going to drop her off at the fire station. Choices: a. Tim didn't impress anyone new that night. b. I was so relieved when she finally grew out of it.
b

Title: The Messy Painter. Sentence 1: Colt wanted to help his father paint the walls in the house. Sentence 2: His father told him he wasn't old enough to help with the painting. Sentence 3: Colt waited until his father left the room. Sentence 4: He tried to use the paintbrush, but made a mess instead. Choices: a. He gave the DVDs to his parents for Christmas. b. Colt's father fussed at him.
b