I'm pretty sure Duo is teaching us Mafia Italian. One day it has us put "He dies in December" and next there's a plumber in the refrigerator. Coincidence?
I used hydraulic cos I thought it couldn't possibly be saying the plumber is in the fridge! Neither made sense !
Maybe he did something bad to deserve Duolingo putting him in the fridge...
First, it was the beer in the fridge. Now it's the plumber, who I assume is after the beer. What's next???
Haven't encountered the one with the engineer yet, though...