TASK DEFINITION: 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.
PROBLEM: Title: Learning To Swim. Sentence 1: Olga had been afraid of the water all of her life. Sentence 2: When her grandchildren began to learn to swim she felt it was time. Sentence 3: Olga took lessons at the community center. Sentence 4: Once she got over the fear she picked up the skill rapidly. Choices: a. Heather called her daughter and told her she did not have to drive her. b. Olga surprised her grandchildren by jumping in the pool last week.

SOLUTION: b

PROBLEM: Title: Blank Keycaps. Sentence 1: I purchased a high-end mechanical keyboard. Sentence 2: I thought it would be good for writing and for gaming. Sentence 3: I also ordered a nice set of blank keycaps for the board. Sentence 4: The caps made it difficult for me to type on the board. Choices: a. I ended up putting back on the stock caps, and loving the board. b. They stood up and left.

SOLUTION: a

PROBLEM: Title: Paris. Sentence 1: Arthur had always wanted to travel to Paris. Sentence 2: He dreamed of exploring a beautiful city with refined culture. Sentence 3: One day he finally booked a flight out to the city. Sentence 4: Once he arrived, the city seemed pleasant, but nothing extraordinary. Choices: a. Arthur realized he inflated his expectations. b. Bill even caught a foul ball.

SOLUTION:
a