At work, Deb and Mario don't really get to do what they want, only to enjoy what they have to do.
Deb and Mario might or might not enjoy what they have to do while they're at work.
mnli hypothesis: Deb and Mario might or might not enjoy what they have to do while they're at work. premise: At work, Deb and Mario don't really get to do what they want, only to enjoy what they have to do.