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: A Baby. Sentence 1: Ellen was expecting to have a baby. Sentence 2: She and her husband decided not to find out the baby's sex. Sentence 3: Ellen went into the hospital to have the baby. Sentence 4: The baby was a boy! Choices: a. Ellen and her husband were happy and surprised! b. A few days later he is told he made the team.
A:
a