In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.

Input: Consider Input: Sentence 1: The bird sat in the tree early that morning. Sentence 2: It began to feel rather alone. Sentence 3: It started cawing loudly from the branch. Sentence 4: No other birds appeared in the tree. Sentence 5: The bird simply sang, waking everyone in the neighborhood. Choices: a. Wondering. b. Caw.

Output: b

Input: Consider Input: Sentence 1: Henry caught Dan trying to flirt with his girlfriend. Sentence 2: She was scared since Dan was a tall and muscular guy. Sentence 3: Henry tried to stand up for the sake of their relationship. Sentence 4: As a result, Dan physically abused him. Sentence 5: Henry had to go to the clinic but Dan got suspended. Choices: a. Nina gets a new Blender. b. Points for Standing Up.

Output: b

Input: Consider Input: Sentence 1: Greg was feeling secure. Sentence 2: He had just purchased a life insurance policy. Sentence 3: He was happy to know his family would be protected if he died. Sentence 4: Greg told his family that he was being responsible. Sentence 5: They appreciated that Greg was always looking out for them. Choices: a. Mary meets Skip. b. The Insurance Policy.
Output: b