Alexander tilted his head to the side as he listened to that tone. Someone didn't like their master at all. He'd seen that before with Servants and with servants. Which probably meant that Zapp was something of a terrible person or at least not very good to those who were under him.

"You don't like him very much, do you." You know, just to point out the obvious there since it was like there was a sign pointing at the elf screaming he didn't like this Zapp person.