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: Candy. Sentence 1: The boy bought some candy. Sentence 2: He hid it in his room. Sentence 3: His sister found the candy. Sentence 4: She took a big handful. Choices: a. The boy never noticed the missing candy. b. Sam kindly helps them through their problems.
[A]: a

[Q]: 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.
[A]: b

[Q]: Title: Game Tournament. Sentence 1: Matt played video games all of the time. Sentence 2: He decided that he would enter a tournament for Tekken. Sentence 3: He picked his favorite character to learn all of their moves. Sentence 4: When the time came he entered the competition. Choices: a. He was able to win second place overall. b. Once Dan dropped his candy, the man took it and ran away.
[A]:
a