Ring is related to Noise. you are likely to find Noise in/at/on Classroom. Classroom is related to Desk. you are likely to find Monitor in/at/on Desk. 
Process is a synonym of Work. you are likely to find Challenge in/at/on Work. 
Ring <--RelatedTo--> Noise --AtLocation--> Classroom <--RelatedTo--> Desk <--AtLocation-- Monitor 
Process <--Synonym--> Work <--AtLocation-- Challenge 