If they didn't want Liliana and Tony brainstorming together, they shouldn't have left them alone. Obviously. Now their only hope was to lure them both into a lab with a design suggestion and hope the two of them forgot these plans in lieu of new ones.

"Some kind of separate-but-related concept--" Like magic and science, as a random example "--one in each ballroom. And as the night goes on, they blend together."

How would that work? Magic and/or science was how!