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: Marsha met her friends on the beach for a picnic. Sentence 2: She handed out cold sodas and sandwiches to everyone. Sentence 3: Marsha realized her diamond ring had fallen off. Sentence 4: She and her friends dug through the sand around them. Sentence 5: Marsha found her ring in the sand by the picnic basket. Choices: a. Hot Dogs. b. Lost Ring.

b