Context: My first day back at work this week , Rex took me downstairs and told me that he 'd heard that I was interested in Justin 's position . Justin runs the bulk department , placing orders and stocking stuff . He 's leaving for a week to move his family to texas . He 'll be back for a month , and then leaving for good .
Question: Why is Rex potentially interested in filling Justin 's position with the speaker after he leaves ?
Option 0: They have been awaiting this blessed day for some time when they can finally enjoy work again
Option 1: None of the above choices .
Option 2: Although he likes Justin , it is important to always have a backup plan and keep things running
Option 3: Justin has defiled the company and wasted resources and they will be absolutely glad to see him go
Answer: 2