Okay. David, thank you very much for the question. And let me start with providing some overall context, because I think it's important to share what are we seeing in the market and then how that informs our actions. As you heard in the prepared remarks, we printed down 4%, consistent with our expectations and what we talked about 90 days ago as we're experienced lower client base business volumes, but it's important to note, GTS, one, has the industry-leading market share position, two, has the global footprint and scale, and three, most importantly has a very integral role into the integrated value proposition of IBM overall as we run the mission critical workloads for many of our clients overall. And by the way, you see that playing out in our cloud-based performance in GTS, where over the trailing 12 months, we got over $8.5 billion book of business that's growing double-digits, and you heard the significant wins we had in the quarter, Broadridge, Banco Sabadell, Bank of America public cloud, in addition to several Red Hat wins, including what I just said about some design wins with network providers, but I'll tell you what we're seeing in the marketplace, David, to your point is clients are making architectural choices. They are embarking on application-led transformation. And we see this opportunity really playing out as I said earlier, in project-based services, the advice, the build, the migrate, which is very aligned to our GBS business. And by the way, that's why we feel pretty confident in where we ended 2019 and our opportunity in 2020 around GTS. Now, if you look at – as client adoption matures and it moves through the advisory phase and the application modernization phase, this will naturally extend to our GTS aligned managed services phase, which should scale up over time. And that's why I said, more of a second-half play as we go forward. So, in-light of that, what we're seeing in the marketplace, we are going to take aggressive actions around our GTS business model. We are going to reposition this business for hybrid cloud investing jointly, integrating GTS and GBS offerings around advise, build, move and manage, we are creating a building skills and investing, and where we see the growth right in front of us, that's starting to scale around cybersecurity management, trust and compliance services, multi-cloud management, and of course managed services around OpenShift. And second, we are going to integrate our go-to-market with GBS and our global account teams at the large enterprise level. We're going to take these integrated offerings, leverage now the integrated value and breadth of IBM that can play across the continuum as clients move to journey to the cloud. And we're going to go drive that hard. And in addition, I would tell you, we are going to improve the cost competitive structure of this business with the actions we're going to take here early in 2020.