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: Not Tired. Sentence 1: Mike was three miles away from finishing a marathon. Sentence 2: But it felt like he was going to collapse. Sentence 3: So he decided to repeat to himself that he wasn't tired. Sentence 4: And Mike proudly finished the marathon. Choices: a. He also learned that he was able to control his body with his mind. b. After a few hours with her nephew, the parrot spoke new words.
[A]: a

[Q]: Title: The Tile. Sentence 1: The family was building a new home. Sentence 2: THey were picking out the tile for their kitchen. Sentence 3: They selected a shiny granite. Sentence 4: It would look great next to their cabinets! Choices: a. They couldn't wait until their home was finished. b. When the power came on, I walked into the living room.
[A]: a

[Q]: Title: Summer Heat. Sentence 1: Wallace needed relief from this hot weather in his house. Sentence 2: He drank a lot of water but he still felt humid. Sentence 3: He put a fan on him but that was not enough. Sentence 4: He finally caved and bought an air conditioner. Choices: a. But he ended up tripping and landing on one of the clowns! b. He turned it on and he finally the relief he needed.
[A]:
b