Circular argument

Generator sentence:: Their argument could be heard across the parking lot.

"Of course I did."

"No, you didn't!"

"I really did..."

"No, you REALLY didn't!"

I was observing a couple. Their argument could be heard across the parking lot. She came by car. He was standing there, pointing at the empty space. Bags full of food, bottles of beer. Belly, almost no hair, flip-flops. Smartphone in his hand.

"I am telling you, someone stole the car."

"No, nobody stole the car!"

"Of course, are you blind? It was here, and it is not here anymore."

"OK, again, you didn't come by car here."

"Of course I did; I told you at least 20 times. Are you dumb, or what?"

A volcano just about to explode.

The woman turned to the car behind her and asked calmly:

"So, can you explain how I got here after you called me? We only have one car, and besides, you don't drive anymore. You can't, do you remember?"

"Ahh, so it is you who stole my car..."

"No, I didn't."

"You really did..."