On the second part of your question on Significant Seven, the way we look that is, if you go back historically, in 2018, early 2018, we identified seven products that we felt were the key growth drivers for us and as we thought about that, we had great success. This year, it was up 68%, achieved $269 million and expectd to see it continue to grow, to be clear going forward. But what we felt is that, that's going to leave out some really important growth drivers, like XIFAXAN, like TRULANCE, like Thermage, like Biotrue, ULTRA, PreserVision, enVista, APLENZIN and we really came up with a group of not seven, but actually I could be fair, say, so closer to 15 products that are clear drivers for our future. Now, we're not going to comment specifically about those, but my point was that, there are some big opportunities there for for the future relative to where we saw the future of this business and specifically you get a product like XIFAXAN, our largest product growing double digits, really is a meaningful contributor and you can't leave that out of the equation as you're thinking about the future for our business. So, that was really the issue. It was -- no concerns about our expectations for the future on that one. Chris Schott? Next question?