You will be given a definition of a task first, then some input of the task.
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.

Title: Catfood. Sentence 1: Angela loved cats. Sentence 2: She has six of them as pets. Sentence 3: Her husband wouldn't let her have any more other wise she would. Sentence 4: Her husband thought her obsession with cats had gotten out of hand. Choices: a. He walked in on her eating out of a saucer pretending she was a cat. b. He has two coin books nearly filled because of his diligence in this.
Output:
a