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: Scout Parade. Sentence 1: When I was 10, I was in girl scouts. Sentence 2: We were invited to march in the local Christmas Parade. Sentence 3: We were all going to wear pajamas like we were going to bed. Sentence 4: I wore a care bear nightgown and carried a stuffed teddy bear. Choices: a. The boy's favorite was driving The Duck into the river. b. I was very excited and waved at everyone as I walked past.
A:
a