You got it!
You are No. to figure it out.
Coffee Cup
When you take a break, do you have coffee?
How many lumps of sugar would you like?
This box is a trick box which has a relationship
with these daily things.
Once this is understood,
everyone can begin to try to solve the problem
without any resistance.
Even if you hate doing puzzles and answering questions,
you won't want to give up trying.