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.

[Q]: Title: The Bat. Sentence 1: Cindy was vacuuming when she saw something fly by her head. Sentence 2: There was a bat in the house! Sentence 3: She ran outside, still holding the vacuum hose. Sentence 4: She screamed and ran around the yard. Choices: a. Her neighbor came out and helped her get the bat out. b. He placed last in the competition and was very embarrassed.
[A]: b

[Q]: Title: Study. Sentence 1: The boy studied. Sentence 2: He took the test. Sentence 3: He got a great grade on the test. Sentence 4: He showed the score to his mom. Choices: a. He thanked his mom for making him study. b. She felt bad afterwards but she enjoyed the food.
[A]: b

[Q]: Title: Black Hat - White Hat. Sentence 1: Thomas played cowboys growing up in the 1950's. Sentence 2: The good guys wore white hats and the others wore black hats. Sentence 3: In 2016 he learned that his grandson had become a computer hacker. Sentence 4: But his disappointment soon turned to delight. Choices: a. He laughed and said he was going to call me Gulliver from then on. b. The young man was a white hat hacker for the good guys.
[A]:
a