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: Anthony could not find his parents. Sentence 2: He was in the mall and it was very crowded. Sentence 3: He began to cry because he couldn't find them. Sentence 4: After a while, a nice police officer helped Anthony. Sentence 5: Finally, he saw his parents again. Choices: a. Newspaper. b. Parents.

b