Berry's parents leave the house.

After half an hour, when all things that could be placed on the table were placed by Berry's parents, they disappeared for five minutes in their bedroom, and returned to the living room.

"We see that you all have things under control, so we won't ruin your fun by being here. We will return in the evening, Berry, happy birthday and have fun!".

And as soon as they left the house, Dave stood up...