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'.

Example Input: Sentence 1: Xander got up in the morning before everyone else. Sentence 2: He carefully picked out his clothes and got dressed. Sentence 3: He ate breakfast quickly so he would be ready to go. Sentence 4: His mom helped him into the car and off they went. Sentence 5: He ran to his classroom and gave his teacher a huge hug! Choices: a. Clown. b. Xander goes to school.
Example Output: b

Example Input: Sentence 1: The robot swept the floor. Sentence 2: The man realized his ring was missing. Sentence 3: He looked inside the robot. Sentence 4: He found his ring. Sentence 5: He got his ring cleaned professionally. Choices: a. Too Short. b. Robot.
Example Output: b

Example Input: Sentence 1: During finals week, there was free coffee available in college. Sentence 2: The coffee smelled so good that I helped myself to a cup. Sentence 3: Immediately after I drank it, my heart began to palpitate. Sentence 4: The caffeine kept me awake all night. Sentence 5: I didn't do well during my final the next day. Choices: a. Coffee. b. Hole in the House.
Example Output:
a