Instructions: 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.
Input: Title: Another walk at it. Sentence 1: Susie went to the casino. Sentence 2: She wanted to play slots. Sentence 3: So she sat down at the machine. Sentence 4: She played for hours. Choices: a. He named the puppy Fighter and gave it a good home. b. Finally she won one thousand.
Output:
b