#chain of command

“Detritus is a citizen of Ankh-Morpork and my sergeant,” said Vimes.

“However, he is a troll. Perhaps in the interests of diplomacy you could write a short–”

“DoIneed a pisspot?”

“A passport…no, Your Grace.”

“Then he doesn’t either.”

“Nevertheless, Your Grace–”

“There is nonevertheless.”

“But it may not be advisable to–”

“There’s no advisable either.”

A few other guards had drifted over. Vimes was aware of watching eyes.

“He could be ejected by force,” said Inigo.

“Nowthere’san experiment I wouldn’t want to miss,” said Vimes.

Detritus made a rumbling noise. “I don’t mind goin’ back if–”

“Shut up, Sergeant. You’re a free troll. That’s an order.”

Terry Pratchett, The Fifth Elephant