Read the following context and choose the best option to answer the question.
Context: I was in an office complex with a bunch of other people , and it was being assaulted by zombies . None of us were well armed . I had a metal pipe , but that was the best weapon to be had . While I did take out several zombies , many more were advancing on us and adding what was formerly our ranks to theirs .
Question: Who is the storyteller referring to when talking about their ranks ?
Options: 
- Their pets
 - Their military leaders
 - Their coworkers
 - None of the above choices .


Their coworkers