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'.

Sentence 1: The attendant at the carousel held out his hand for Judy's ticket. Sentence 2: Nearly in tears, Judy showed him the hole in her pocket. Sentence 3: A grandfatherly-looking man behind Judy, reached past her. Sentence 4: In his hand was a ticket. Sentence 5: He graciously offered to pay for her to ride the carousel. Choices: a. Kind Stranger. b. Cast.
a