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: Squirrel. Sentence 1: Tony loved all animals, and always wanted to bring home wild ones. Sentence 2: One day he found an injured squirrel and brought it home to nurse. Sentence 3: His mother was repulsed, and thought it was little better than a rat. Sentence 4: The squirrel recovered, and Tony looked forward to training him. Choices: a. Lisa admired her hands. b. But he got home to find his mother had evicted the recovered animal.
Output:
b