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: Lights. Sentence 1: The baby had to sleep under the lights for a week. Sentence 2: They all joked that he looked like he was relaxing on the beach. Sentence 3: He seemed to enjoy the warmth. Sentence 4: His mom only removed him for feedings as instructed. Choices: a. He was finally cured of the jaundice. b. Lori was worried the email was about her husband Rich.
a