Which figure of speech is used in this text?
The Patton family is going to spend two weeks in Ocean City, but for Xavier it will be a working vacation, since he'll be checking in with the office every day.

 - euphemism
 - oxymoron
The text uses an oxymoron, a joining of two seemingly contradictory terms.
Working vacation is a contradiction, because going on a vacation implies that you are taking a break from work.