I got no preferences regarding problem area or anything, I just need to find an interesting problem
You would appear to be a contradiction; most engineering and design students lie awake at night mentally sifting through the myriad of world problems they want to address .
Are you familiar with the expression, “Necessity is the Mother of Invention” ?
Most “invention” springs from a need, and usually as a direct result of the “inventor” needing it. So the essence of your assignment is to recognize a need.
Open your eyes.