Definition: 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: Sentence 1: Tom started feeling pain. Sentence 2: It was also harder for him to pee. Sentence 3: Tom went to the doctor to get help. Sentence 4: They found a lot of different problems with him. Sentence 5: Tom had to take medication and change his drinking habits. Choices: a. Kidney Problems. b. Tree.

a