One of the women I work with is a very lovely, absolutely heart of gold older person, who usually works on her own things, as opposed to my other colleague and I, who do more social media and digital stuff. But I’m currently working on a PR project with my older coworker and it’s proving very challenging. I’m a relatively new employee and still need guidance about who we’re meant to be reaching out to, and she can’t quite explain it to me. We sat down last week to try to divide the tasks, and I was trying to ask who she has a previous relationship with and wanted to talk to herself, and who she thought I should talk to, but couldn’t get a clear answer. I did get her to send me an email with a breakdown of which of us is going to get in touch with which contacts, but there have been a few emails she’s forgotten to cc me on, and my boss was asking me questions this morning that I couldn’t answer, and I feel like an idiot. I’m sure my coworker is good at what she does, but she’s not able to express to me what I need to be doing in a way that makes sense to me, and I’m not sure if I should bring this up to my boss, and if I do, how do I do it without making it seem like I’m trying to place blame or throw my coworker under the bus.