 You sort of patch it in the way that GPT-3 was deployed with filters, with sort of non-model level interventions. And now we're starting to mature from that. We're actually able to do model level interventions. And it is definitely the case that GPT-4 itself is really critical in all of our safety pipelines and being able to actually sort of even understand what's coming out of the model in an automated fashion. GPT-4 does an excellent job of this kind of thing.