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: I found an old coworker on Facebook last month. Sentence 2: We worked together 34 years ago. Sentence 3: She said she would contact me if the old work group went out. Sentence 4: Yesterday she posted a photo of the old group at dinner. Sentence 5: She had neglected to contact me. Choices: a. Skin. b. Old Coworker.

b