Q: 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: Field Trip. Sentence 1: During the first week of school Tim's class did lots of team building. Sentence 2: They took a field trip to the mountains. Sentence 3: They spent time kayaking in a small creek. Sentence 4: Afterwards, they splashed and played in the water. Choices: a. By week's end, everyone felt closer to their classmates. b. Mack played a tape of car noises at night to help him fall asleep.
A:
b