"It is puzzling, is it not, Brother?"
"Yes, Sartan. From all indications it would seem to be a machine totally without purpose."
"It does consume money."
"But why would one build a machine whose sole purpose is to consume money?"
Sartan gave it some hard thought. "I don't know!"
"Remarkable!" Toryl concluded. "But nothing is done without a purpose."
"Obviously we've found something that is."
"No, I do not believe that. Let me have the electro-analyzer."
The aliens were so engrossed in their problem as to be unaware that Okie and two men at the bar were casting suspicious eyes on them.