Given the task definition and input, reply with output. 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: Tanner was known to overreact. Sentence 2: When he got in his car he couldn't find his wallet or sunglasses. Sentence 3: He always left them in the same spot. Sentence 4: He instantly starts panicking assuming someone broke in. Sentence 5: His wife then stepped outside holding both, he left them in the house. Choices: a. Moral decision. b. We've Been Robbed.
b