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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Title: Vacation. Sentence 1: The Lake family planned a trip to Santa Fe. Sentence 2: They left in a rented car in the middle of May. Sentence 3: It was dark by the time the family arrived at their hotel. Sentence 4: For three days they toured the city and met with family. Choices: a. They returned home happy and full of stories. b. It encouraged him to keep trying.
b