Detailed Instructions: 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'.
Q: Sentence 1: My son's friend is very eccentric. Sentence 2: He does not drive or bike, preferring to walk. Sentence 3: Yesterday he needed a ride home. Sentence 4: My son drove him but told him to wait while he visited us. Sentence 5: My son did not want him to talk, as he stays for a long time. Choices: a. Wait. b. Boat on the Pond.
A:
a