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: Mary was on safari in Africa. Sentence 2: The group stopped for lunch. Sentence 3: A snake crawled up beside her. Sentence 4: She was so scared. Sentence 5: She dropped her sandwich! Choices: a. Snake. b. The Lost Ticket.

a