What did the Dream do in Game 4 after leaving the WNBA Finals court during national anthem?

The Atlanta Dream and Golden State Valkyries ran off the WNBA Finals court during the U.S. national anthem for the fourth game in a row. With many fans tuning in just to see whether the national anthem will be respected, Game 4 saw a repeat of the teams walking off.

Neither team has confirmed or denied whether this is a silent protest, but the buzz around this situation keeps growing.